1
Spencer Ferguson Silver 3 M Center: Acrylate copolymer microspheres. Kinney Alexander Sell Steldt & Delahunt, September 12, 1972: US3691140 (282 worldwide citation)

Infusible, solvent-dispersible, solvent-insoluble, inherently tacky, elastomeric copolymer microspheres consist essentially of about 90 percent to about 99.5 percent by weight of at least one alkyl acrylate ester and about 10 to about 0.5 percent by weight of at least one monomer selected from the g ...


2
David L Braun: Particle-loaded microfiber sheet product and respirators made therefrom. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, July 27, 1976: US03971373 (261 worldwide citation)

A self-supporting durable flexible conformable low-pressure-drop porous sheet product that contains a uniform three-dimensional arrangement of discrete solid particles. This sheet product comprises, in addition to the particles, a web of melt-blown microfibers in which the particles are uniformly di ...


3
Paul L Kaliher, Fred W Nelson, Bryan K Roos: Electrosurgical system providing a fulguration current. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, April 27, 1976: US03952748 (165 worldwide citation)

An electrosurgical system, having a solid state generator for providing a cut mode electrosurgical current waveform of RF electric energy having a first voltage amplitude to an active electrode terminal, is adapted by the addition of an apparatus for alternatively providing a fulguration mode curren ...


4
Hatch Robert A, Johnson James R: Intumescent sheet material. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, October 28, 1975: US3916057 (161 worldwide citation)

An intumescent sheet material is provided containing vermiculite or other expandable mica. A process for mounting catalyst supports is described.


5
Holmen Reynold E, Nellessen Alfred H: Retro-reflective sheet material. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, December 9, 1975: US3924929 (161 worldwide citation)

A retro-reflective article having a retro-reflectivity of at least 400 candle power per foot candle per square foot when measured by a detector at an angle of 0.2 degrees divergence from an incident light beam and having a plurality of cube-corner retro-reflecting units and septa embossed on one sur ...


6
Merrill Jr Roger F, Courtney Henry R: Acrylate microsphere-surfaced sheet material. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, December 31, 1974: US3857731 (142 worldwide citation)

A pressure-sensitive sheet construction having particular utility as a durable, reusable bulletin board surface, comprises a substrate bonded to at least one surface thereof a binder material; partially embedded in the exposed surface of the binder and protruding therefrom are inherently tacky elast ...


7
Clifford J Anderson, James T Gumbusky: Bio-medical electrode conductive gel pads. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, December 21, 1976: US03998215 (135 worldwide citation)

A gel pad has impregnated in a porous matrix or held within a cavity, an electrically conductive hydrogel capable of transferring electrical signals between the human body and an electrode of an electrical sensing device when the hydrogel is in contact with the body surface. The hydrogel is lightly ...


8
John H Bent: Quick release mechanism for surgical devices. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, March 16, 1976: US03943934 (119 worldwide citation)

A quick release device for a powered surgical instrument, for example, a Mueller osteotomy saw, includes a coupling having a spindle which forms a mounting surface, the spindle being driven with the coupling by the power source. Located on the spindle is a locking pin assembly movable between a lock ...


9
James A Bonham, Panayotis C Petrellis: Photosensitive elements containing chromophore-substituted vinyl-halomethyl-s-triazines. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, May 4, 1976: US03954475 (115 worldwide citation)

Chromophore-substituted vinyl-halomethyl-s-triazine compounds are provided capable of free-radical generation upon excitation with radiation having a wavelength of from about 330 to about 700 millimicrons.


10
Curtis L Larson, John R Ward: System and device for inflating and sealing air inflated cushioning material. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, April 12, 1977: US04017351 (111 worldwide citation)

An improved system and a device for providing air inflated cushioning material which is filled and sealed at the site of its intended use, such as at a packaging line. Included is an elongate flexible layered strip material comprising two heat sealable films fused together in discrete areas to form ...