Inventor
CRAWFORD CHARLES DAVID
US6 patents
⚠️ This page may combine multiple inventors who share the name “CRAWFORD CHARLES DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL TELEPHONE LABOR INC
3 patentsUS4096361AJun 20, 1978
Test apparatus for obtaining impedance settings for hybrid balance networks
BELL TELEPHONE LABOR INC43 citations90
US4096362AJun 20, 1978
Automatic cable balancing network
BELL TELEPHONE LABOR INC30 citations79
US4055841AOct 25, 1977
Optical Gray to binary code converter
BELL TELEPHONE LABOR INC5 citations60
HDN DEV CORP
2 patentsUS6511689B2Jan 28, 2003
Methods and systems for automatically extruding and cutting dough-based products having pre-selected weights
HDN DEV CORP12 citations69
US7029715B2Apr 18, 2006
Methods and systems for automatically extruding and cutting dough-based products having pre-selected weights
HDN DEV CORP6 citations58