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Arlington Heights, IL, United States of America

James S Chang

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 148(Granted Patents)

Company Filing History:

The Chamberlain Group, Inc.

Years Active: 1989-2008

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE40001 - Jack shaft garage door operator (2008-01-14),

2. 6983903 - Multi-functional shredder (2006-01-10),

3. 5743046 - Jack shaft door garage operator (1998-04-28),

4. 5633778 - Infrared signal interface for use with barrier door operator (1997-05-27),

5. 5530300 - Extended range wired remote control circuit (1996-06-25),

6. 5299678 - Limit switch mechanism for garage door opener (1994-04-05),

7. 5235494 - Electrical controller having pivotally mounted circuit board support (1993-08-10),

8. 5176582 - Chain guide for overhead door opener (1993-01-05),

9. 4885872 - Garage door operator with plastic drive belt (1989-12-12),

10. 4794731 - Twin sprocket garage door opener (1989-01-03),

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