Inventor

JOSCELYN EDWIN

3 patents

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

INSTRUMENT SYSTEMS CORP

2 patents

US4072831AFeb 7, 1978

Voice transmitting apparatus for a breathing mask

INSTRUMENT SYSTEMS CORP41 citations87

US4306121ADec 15, 1981

Electro-acoustic transducer assembly

INSTRUMENT SYSTEMS CORP26 citations78

TELEPHONICS CORP

1 patent

US4379211AApr 5, 1983

Arcuately tensioned piezoelectric diaphragm microphone

TELEPHONICS CORP25 citations77