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David Stafford
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Bellaire, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Barrier movement operator including time to close feature
Patent number
RE44816
Issue date
Mar 25, 2014
The Chamberlain Group, Inc.
William Gioia
318 - Electricity: motive power systems
Information
Patent Grant
Barrier movement operator including direction switch feature
Patent number
7,579,797
Issue date
Aug 25, 2009
The Chamberlin Group, Inc.
Eric J. Robb
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Automatic sensing of safe-operation sensor apparatus and method
Patent number
7,248,174
Issue date
Jul 24, 2007
The Chamberlain Group, Inc.
Robert Study
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Barrier movement operator including timer to close feature
Patent number
7,091,688
Issue date
Aug 15, 2006
The Chamberlain Group, Inc.
William Gioia
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Automatic sensing of safe-operation sensor apparatus and method
Patent number
7,057,519
Issue date
Jun 6, 2006
The Chamberlain Group, Inc.
Robert Study
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Barrier movement operator including timer to close feature
Patent number
7,034,484
Issue date
Apr 25, 2006
The Chamberlain Group, Inc.
William Gioia
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
Automatic sensing of safe-operation sensor apparatus and method
Publication number
20060181234
Publication date
Aug 17, 2006
The Chamberlain Group, Inc.
Robert Study
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Barrier movement operator including timer to close feature
Publication number
20060012325
Publication date
Jan 19, 2006
The Chamberlain Group, Inc.
Eric J. Robb
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Barrier movement operator including timer to close feature
Publication number
20050218854
Publication date
Oct 6, 2005
The Chamberlain Group, Inc.
William Gioia
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Barrier movement operator including timer to close feature
Publication number
20040216379
Publication date
Nov 4, 2004
The Chamberlain Group, Inc.
William Gioia
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Automatic sensing of safe-operation sensor apparatus and method
Publication number
20030201743
Publication date
Oct 30, 2003
The Chamberlain Group, Inc.
Robert Study
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES