Inventor

QUINN CHESTER P

US4 patents

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

INVENTIONS INC

2 patents

US5828731AOct 27, 1998

Method and apparatus for non-offensive termination of an outbound call and for detection of an answer of an outbound call by an answering machine

INVENTIONS INC156 citations97

US5581602ADec 3, 1996

Non-offensive termination of a call detection of an answering machine

INVENTIONS INC111 citations96

MELITA ELECTRONICS LABS INC

1 patent

US4477698AOct 16, 1984

Apparatus for detecting pick-up at a remote telephone set

MELITA ELECTRONICS LABS INC103 citations92

MELITA ELECTRONIC LABS INC

1 patent

US4540855ASep 10, 1985

Detecting signals within a passband on a telephone line

MELITA ELECTRONIC LABS INC38 citations91