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Corinn Fahrenkrug, Shawn Briggman: Wall transformer. Welch Allyn, Harris Beach & Wilcox, September 24, 1996: US05559422 (8 worldwide citation)

A wall mounted power supply for a remote instrument handle has a novel self compensating voltage regulating circuit that remains in precise calibration despite variable voltage drops in the load, cabling, and control switches. Power output is enabled by an infrared emitter-detector combination dispo ...


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Eric M Andreassen, David M Fallat, Ervin Goldfain, John R Strom, John T Delaney, Howard Haines III, Corinn Fahrenkrug, Cynthia A Kuiper: Digital otoscope. Welch Allyn, Sonny Z Zhan, November 29, 2011: US08066634 (7 worldwide citation)

A digital otoscope for capturing live and still digital images of body tissue and having associated optical characteristics that improve the quality of visual information gathered for medical inspection of both human and veterinary subjects. The digital otoscope includes a tip element having dimensi ...


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Eric M Andreassen, David M Fallat, Ervin Goldfain, John R Strom, John T Delaney, Howard Haines, Corinn Fahrenkrug, Cynthia A Kuiper: Digital otoscope. Welch Allyn, Hiscock & Barclay, February 28, 2008: US20080051637-A1

A digital otoscope for capturing live and still digital images of body tissue and having associated optical characteristics that improve the quality of visual information gathered for medical inspection of both human and veterinary subjects. The digital otoscope includes a tip element having dimensi ...


5
John A Lane, Andrew Kugler, Corinn Fahrenkrug, Suzanne Abate Gunter, Allan Krauter, Lucas C McCann, Ashley Elizabeth Tudor, Michael D Smith, William Scott: Rapid allergy test. Welch Allyn, Hiscock & Barclay, January 28, 2010: US20100022910-A1

A flexible and disposable allergen-containing patch is provided with markings transferable to the skin. The patch may also include piercing elements to become an all-in-one system. A reusable actuator enables a user with little training or experience to administer multiple test injections with the d ...


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Eric M Andreassen, David M Fallat, Ervin Goldfain, John R Strom, John T Delaney, Howard Haines III, Corinn Fahrenkrug, Cynthia A Kuiper: Digital otoscope. Welch Allyn, March 15, 2012: US20120065473-A1

An otoscope includes an instrument head, a tip element and an optical system. The instrument head has a distal insertion portion for insertion into an ear of a human or veterinary subject. The distal insertion portion has a distal opening. The tip element is releasably attached to the distal inserti ...