Inventor

MATTHEWS DOUGLAS

CA4 patents

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

CANARM LTD

2 patents

US10056852B2Aug 21, 2018

Controller for EC motor and method thereof

CANARM LTD2 citations62

US9854785B2Jan 2, 2018

Sow feeding system

CANARM LTD2 citations59

CANARM LIMITED

1 patent

US5803709ASep 8, 1998

Axial flow fan

CANARM LIMITED46 citations85

MATTHEWS DOUGLAS

1 patent

US8116674B2Feb 14, 2012

Professional development system and methodology for teachers

MATTHEWS DOUGLAS5 citations52