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Mark D. Siegler
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Brookfield, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for determining a position of a movable barrier
Patent number
6,956,199
Issue date
Oct 18, 2005
The Chamberlain Group, Inc.
Alan Dane Smith
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for determining a position of a movable barrier
Patent number
6,878,927
Issue date
Apr 12, 2005
The Chamberlain Group, Inc.
Alan Dane Smith
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for programming a logic board from switching p...
Patent number
6,828,745
Issue date
Dec 7, 2004
The Chamberlain Group, Inc.
Christopher M. Valente
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Method and apparatus for determining a position of a movable barrier
Patent number
6,495,821
Issue date
Dec 17, 2002
The Chamberlain Group, Inc.
Dane Smith
G01 - MEASURING TESTING
Information
Patent Grant
Bi-directional pass-point system for controlling the operation of m...
Patent number
6,400,112
Issue date
Jun 4, 2002
The Chamberlain Group, Inc.
James Fitzgibbon
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Method and apparatus for determining a position of a movable barrier
Patent number
6,376,832
Issue date
Apr 23, 2002
The Chamberlain Group, Inc.
Alan Dane Smith
G01 - MEASURING TESTING
Information
Patent Grant
Bi-directional pass-point system for controlling the operation of m...
Patent number
6,133,703
Issue date
Oct 17, 2000
The Chamberlain Group, Inc.
James Fitzgibbon
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Method and apparatus for programming a logic board from switching p...
Patent number
6,078,159
Issue date
Jun 20, 2000
The Chamberlain Group, Inc.
Christopher M. Valente
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Jack shaft door garage operator
Patent number
5,743,046
Issue date
Apr 28, 1998
The Chamberlain Group, Inc.
Mark D. Siegler
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Limit switch mechanism for garage door opener
Patent number
5,299,678
Issue date
Apr 5, 1994
The Chamberlain Group, Inc.
James S. Chang
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Chain guide for overhead door opener
Patent number
5,176,582
Issue date
Jan 5, 1993
The Chamberlain Group, Inc.
James S. Chang
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for determining a position of a movable barrier
Publication number
20050035280
Publication date
Feb 17, 2005
The Chamberlain Group Ltd.
Alan Dane Smith
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method and apparatus for determining a position of a movable barrier
Publication number
20040169133
Publication date
Sep 2, 2004
The Chamberlain Group, Inc.
Alan Dane Smith
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method and apparatus for determining a position of a movable barrier
Publication number
20020175276
Publication date
Nov 28, 2002
Alan Dane Smith
G01 - MEASURING TESTING
Information
Patent Application
Method and apparatus for determining a position of a movable barrier
Publication number
20020030156
Publication date
Mar 14, 2002
The Chamberlain Group, Inc.
Alan Dane Smith
G01 - MEASURING TESTING