P

Inventor

SINGER MARK I

US6 patents
⚠️ This page may combine multiple inventors who share the name “SINGER MARK I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANSA MEDICAL PRODUCTS INC

5 patents
US7025784B1Apr 11, 2006

Method and apparatus for a tracheal valve

HANSA MEDICAL PRODUCTS INC81 citations97
US4911716AMar 27, 1990

Surgical implant for a voice prosthesis

HANSA MEDICAL PRODUCTS INC84 citations95
US4614516ASep 30, 1986

Voice prosthesis device

HANSA MEDICAL PRODUCTS INC56 citations95
US4435853AMar 13, 1984

Voice prosthesis device and placement tool therefor

HANSA MEDICAL PRODUCTS INC71 citations95
US4586931AMay 6, 1986

Auto actuatable switch, speech simulator and method for tracheotomized individuals

HANSA MEDICAL PRODUCTS INC16 citations71

(unassigned)

1 patent
US6193751B1Feb 27, 2001

Tracheostoma valve with spring-loaded piston

37 citations90