Inventor

LAIDLER GRAHAM A

GB4 patents

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

BRITISH TELECOMM

2 patents

US5608792AMar 4, 1997

Apparatus for drawing and processing electrical power from a communications line

BRITISH TELECOMM108 citations94

US5023766AJun 11, 1991

Power supply utilizing transformerless optical driving control circuit

BRITISH TELECOMM17 citations70

BARKER PHILIP A

2 patents

US9762039B2Sep 12, 2017

Cable installation detection

BARKER PHILIP A8 citations80

US9535228B2Jan 3, 2017

Optical fibre installation apparatus

BARKER PHILIP A4 citations64