Inventor

DRUMMOND WILLIAM S

US3 patents

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

SIMCO RAMIC CORP

2 patents

US5419438AMay 30, 1995

Apparatus and method for sorting post-consumer articles according to PVC content

SIMCO RAMIC CORP149 citations96

US5443164AAug 22, 1995

Plastic container sorting system and method

SIMCO RAMIC CORP139 citations94

TEKTRONIX INC

1 patent

US5402019AMar 28, 1995

Phase startable clock device

TEKTRONIX INC15 citations71