1
David W Osten, Hatim M Carim, Michael R Arneson, Bradford L Blan: Biometric, personal authentication system. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, February 17, 1998: US05719950 (321 worldwide citation)

A personal, biometric authentication system is disclosed. The system can be used for controlling access to equipment or physical facilities. The system employs the combination of a unique, inherently specific biometric parameter recognized and compared with stored data and at least one non-specific ...


2
Hatim M Carim, Orlin B Knudson, Bruce P Ekholm, David P Erickson, William J Kelliher Jr, Michael J Rude: Method and apparatus for noninvasive prediction of hematocrit. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, September 10, 1996: US05553615 (203 worldwide citation)

A method and apparatus for the direct noninvasive prediction of hematocrit in mammalian blood using photoplethysmography techniques and data processing. The method and apparatus also include optional prediction of other analytes of interest: percent oxygen saturation of mammalian blood and methemogl ...


3
Samuel G Netherly, Scott A Burton: Self-packaging bioelectrodes. Minnesota Mining And Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, October 27, 1998: US05827184 (166 worldwide citation)

A bioelectrode having a backing, a conductive layer adjacent to the backing, and a layer of conductive adhesive adjacent to the conductive layer. This bioelectrode is designed to have two special configurations. It is originally manufactured in its first configuration wherein the backing forms a sea ...


4
Robert J Oliveira, Davis W Chamberlin, Martin P Babcock: Ear piece having disposable, compressible polymeric foam sleeve. Minnesota Mining and Manufacturing Company, Donald M Sell, Walter N Kirn, John H Hornickel, March 26, 1991: US05002151 (137 worldwide citation)

Disposably attached to the ear piece of a hearing aid, which includes any sound transmission device, is a user-disposable sleeve comprising soft polymeric retarded recovery foam that can be compressed to be freely insertable into a person's ear and allowed to recover to become wedged in the canal. P ...


5
Robert A Asmus: Composite of a disperesed gel in an adhesive matrix. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, December 14, 1993: US05270358 (126 worldwide citation)

A composite of a gel of swollen hydrocolloid dispersed in a pressure sensitive adhesive matrix is provided. The gel has a natural or synthetically derived hydrocolloid swollen with a non-volatile swelling agent, such that the gel may have a shear modulus of less than 6.2.times.10.sup.6 dynes/cm.sup. ...


6
Samuel G Netherly: Biomedical electrode providing early detection of accidental detachment. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, August 25, 1998: US05797902 (115 worldwide citation)

A biomedical electrode is disclosed, having a geometry of conductive plates along a longitudinal axis of the electrode such that interior edge(s) of the plate(s) adjoining the axis are curvilinear or otherwise non-parallel to the axis. The geometry permits the electrode to register an earlier detect ...


7
Daniel C Duan, Robert A Asmus, Timothy M Dietz, Rosa Uy, Olester Benson Jr: Pressure-sensitive poly(n-vinyl lactam) adhesive composition and method for producing and using same. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, January 4, 1994: US05276079 (109 worldwide citation)

A hydrophilic, pressure-sensitive adhesive composition prepared by irradiating solid poly(N-vinyl lactam) with ionizing radiation to crosslink the poly(N-vinyl lactam) and thereafter mixing the radiation-crosslinked poly(N-vinyl lactam) with essentially unirradiated plasticizer in an amount sufficie ...


8
Steven K Itoh, Timothy M Dietz, Rosa Uy: Low impedance pressure sensitive adhesive composition and biomedical electrodes using same. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, November 8, 1994: US05362420 (91 worldwide citation)

The present invention discloses a low impedance, water-absorbing, ionically-conductive, hydrophilic pressure sensitive adhesive composition comprising an ionically-conductive, hydrophilic, pressure sensitive adhesive hydrogel and crosslinked poly(N-vinyl lactam) in an amount sufficient to retain low ...


9
John T Capecchi, Steven M Heilmann, Larry R Krepski, Oh Seung Kwon, David B Olson: Azlactone-functional substrates, corneal prostheses, and manufacture and use thereof. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, March 8, 1994: US05292514 (86 worldwide citation)

Azlactone-functional substrates, (especially hydrogels), mammalian body implants, and methods of making and using them are disclosed. The azlactone-functional substrates are the reaction product of substrates having azlactone-reactive nucleophilic surfaces and a multi-functional azlactone compositio ...


10
Paul A Burgio, Richard J Simonsen, Donald P Fogle: Electrode and assembly. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, John H Hornickel, March 5, 1996: US05496363 (85 worldwide citation)

TENS electrodes and connectors useful with such electrodes are disclosed. The electrodes include active electrodes and return electrodes having a common carrier with a field of pressure sensitive adhesive for adhering the electrode to a hand (finger or thumb) of the practitioner or to an applicator. ...