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Wayne B. Dow
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Moorpark, CA, US
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last 30 patents
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Patent Grant
Access control system having a programmable automatic notification...
Patent number
6,748,061
Issue date
Jun 8, 2004
The Chamberlain Group, Inc.
John F. Ahlstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Access control system in seamless communication with personnel mana...
Publication number
20030132830
Publication date
Jul 17, 2003
Wayne B. Dow
G07 - CHECKING-DEVICES
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Patent Application
Access control system having a programmable automatic notification...
Publication number
20030081746
Publication date
May 1, 2003
The Chamberlain Group, Inc.
John F. Ahlstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE