Inventor

WALKER ANDREW M

4 patents

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

DIGITAL COMMUNICATIONS CORP

2 patents

US4000476ADec 28, 1976

Phase locked loop with circuit for preventing sidelock

DIGITAL COMMUNICATIONS CORP41 citations88

US4061979ADec 6, 1977

Phase locked loop with pre-set and squelch

DIGITAL COMMUNICATIONS CORP27 citations79

ICI PLC

1 patent

US4818633AApr 4, 1989

Fibre-reinforced metal matrix composites

ICI PLC60 citations94

PERMAR SYSTEMS INC

1 patent

US5348843ASep 20, 1994

Method for making porcelain tags and signs by selectively radiating a frit containing-emulsion coating applied thereto

PERMAR SYSTEMS INC4 citations54