P

Inventor

JOHNSON ROY L

US7 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON ROY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AG COMMUNICATION SYSTEMS

2 patents

HEWLETT PACKARD CO

1 patent

HEWLETT PACKARD DEVELOPMENT CO

1 patent

LIFTING TECHNOLOGIES INC

1 patent

JOHNSON ROY L

1 patent

GTE COMMUNICATION SYST

1 patent