Inventor
HEITSCHEL CARL T
US11 patents
⚠️ This page may combine multiple inventors who share the name “HEITSCHEL CARL T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TELULAR CORP
7 patentsUS5946616AAug 31, 1999
Concurrent wireless/landline interface apparatus and method
TELULAR CORP168 citations97
US5715296AFeb 3, 1998
Concurrent wireless/landline interface apparatus
TELULAR CORP107 citations96
US6775522B2Aug 10, 2004
Concurrent wireless/landline interface apparatus and method
TELULAR CORP43 citations95
US5812637ASep 22, 1998
Concurrent wireless/landline interface apparatus with testing means
TELULAR CORP80 citations95
US6785517B2Aug 31, 2004
Concurrent wireless/landline interface apparatus and method
TELULAR CORP32 citations91
US7089034B1Aug 8, 2006
Concurrent wireless/landline interface
TELULAR CORP8 citations72
US7248869B2Jul 24, 2007
Concurrent wireless/landline interface apparatus and method
TELULAR CORP0 citations51
CHAMBERLAIN GROUP INC
3 patentsUS5576701ANov 19, 1996
Remote actuating apparatus comprising keypad controlled transmitter
CHAMBERLAIN GROUP INC77 citations96
US4988992AJan 29, 1991
System for establishing a code and controlling operation of equipment
CHAMBERLAIN GROUP INC218 citations96
US5635913AJun 3, 1997
Remote actuating apparatus with long and short operating codes
CHAMBERLAIN GROUP INC43 citations92