Inventor

HEITSCHEL CARL

US4 patents

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

CHAMBERLAIN GROUP INC

3 patents

USRE37986EFeb 11, 2003

Coding system for multiple transmitters and a single receiver

CHAMBERLAIN GROUP INC56 citations94

USRE36703EMay 16, 2000

Coding system for multiple transmitters and a single receiver for a garage door opener

CHAMBERLAIN GROUP INC72 citations94

USRE35364EOct 29, 1996

Coding system for multiple transmitters and a single receiver for a garage door opener

CHAMBERLAIN GROUP INC89 citations94

CHAMBERLAIN MFG CORP

1 patent

US4750118AJun 7, 1988

Coding system for multiple transmitters and a single receiver for a garage door opener

CHAMBERLAIN MFG CORP287 citations97