Membership
Tour
Register
Log in
Colin B. Willmott
Follow
Person
Landsweiler, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Jack shaft garage door operator
Patent number
5,803,149
Issue date
Sep 8, 1998
The Chamberlain Group, Inc.
Ronald W. Halley
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Retro-reflective infrared safety sensor for garage door operators
Patent number
5,656,900
Issue date
Aug 12, 1997
The Chamberlain Group, Inc.
Andrew J. Michel
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES