P

Inventor

MEHAFFEY JOSEPH H

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

SOLID STATES SYSTEMS INC

4 patents
US4286118AAug 25, 1981

Data distribution system for private automatic branch exchange

SOLID STATES SYSTEMS INC48 citations91
US4028498AJun 7, 1977

Private automatic branch exchange system and apparatus

SOLID STATES SYSTEMS INC32 citations83
US4392129AJul 5, 1983

Multiplexed liquid crystal display

SOLID STATES SYSTEMS INC10 citations72
US4310725AJan 12, 1982

Interface for private branch exchange

SOLID STATES SYSTEMS INC15 citations71

INTELLITECH IND INC

1 patent
US5283549AFeb 1, 1994

Infrared sentry with voiced radio dispatched alarms

INTELLITECH IND INC103 citations88

MEHAFFEY WOODLANDS LLLP

1 patent
US11311826B2Apr 26, 2022

Pre-filter system

MEHAFFEY WOODLANDS LLLP2 citations56