P

Inventor

WATSON DOUGLAS

US10 patents
⚠️ This page may combine multiple inventors who share the name “WATSON DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEVITON MANUFACTURING CO

5 patents
USD310814SSep 25, 1990

Combined sound activated switch and cover plate

LEVITON MANUFACTURING CO65 citations96
USD310820SSep 25, 1990

Combined dimmer, fan speed control switches and cover plate

LEVITON MANUFACTURING CO48 citations94
USD310819SSep 25, 1990

Combined dimmer, fan speed control switches and cover plate

LEVITON MANUFACTURING CO47 citations90
USD312611SDec 4, 1990

Combined sound activated switch and cover plate

LEVITON MANUFACTURING CO21 citations82
USD310815SSep 25, 1990

Combined sound activated switch and cover plate

LEVITON MANUFACTURING CO11 citations73

HITACHI RAIL GTS UK LTD

2 patents
US12352580B2Jul 8, 2025

Method and apparatus for determining a position of a vehicle

HITACHI RAIL GTS UK LTD0 citations43
US12296872B2May 13, 2025

Method and apparatus for determining a position of a vehicle

HITACHI RAIL GTS UK LTD0 citations43

NIKON CORP

1 patent
US6281655B1Aug 28, 2001

High performance stage assembly

NIKON CORP47 citations92

WATSON DOUGLAS

1 patent
US5038136AAug 6, 1991

Traffic control device for school buses

WATSON DOUGLAS69 citations92

BEKAERT SA NV

1 patent
US7291391B2Nov 6, 2007

Electrically conductive yarn

BEKAERT SA NV23 citations88