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Ervin Goldfain, Steven R Slawson, Eric M Andreassen, Cynthia A Kuiper, Elizabeth P Staples, Raymond A Lia: Otoscope. Welch Allyn, July 15, 2008: US07399275 (10 worldwide citation)

An otoscope permitting examination of a patient's ear is defined by an instrument head including a proximal end and a distal insertion portion that is insertable into the ear. The otoscope includes an imaging lens train disposed within the instrument head, wherein each of the imaging lens train, an ...


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Ervin Goldfain, Steven R Slawson, Eric M Andreassen, Kimberly E McNeilly, Elizabeth P Staples: Veterinary otoscope. Welch Allyn, September 28, 2010: US07803110 (3 worldwide citation)

A veterinary otoscope permitting examination of an ear is defined by an instrument head including a proximal end and a distal insertion portion that is insertable into the ear. The veterinary otoscope includes an imaging lens train disposed within the instrument head, wherein each of the imagine len ...


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Ervin Goldfain, Steven R Slawson, Eric M Andreassen, Cynthia A Kuiper, Elizabeth P Staples, Raymond A Lia: Otoscope. Welch Allyn, Wall Marjama & Bilinski, February 3, 2005: US20050027169-A1

An otoscope permitting examination of a patient's ear is defined by an instrument head including a proximal end and a distal insertion portion that is insertable into the ear. The otoscope includes an imaging lens train disposed within the instrument head, wherein each of the imaging lens train, an ...


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Ervin Goldfain, Steven R Slawson, Eric M Andreassen, Kimberly E McNeilly, Elizabeth P Staples: Veterinary otoscope. Welch Allyn, Hiscock & Barclay, November 9, 2006: US20060252996-A1

A veterinary otoscope permitting examination of an ear is defined by an instrument head including a proximal end and a distal insertion portion that is insertable into the ear. The veterinary otoscope includes an imaging lens train disposed within the instrument head, wherein each of the imagine len ...