Trefford Simpson

City:

Waterloo, Ontario

Country:

Canada

Published Applications:

Last publication date:

2005-08-09

Recent patent applications by Simpson Trefford

Trefford Simpson from Waterloo, Ontario, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2005-08-09

US10183173

Apparatus and method for measuring a hue of a predetermined primary color in reflected light

InventorID:

7489038 ⎘