Douglas R. Turner

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Arlington Heights, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Extended range wired remote control circuit
- Patent number 5,530,300
- Issue date Jun 25, 1996
- The Chamberlain Group, Inc.
- Russell L. Powers
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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
Electrical controller having pivotally mounted circuit board support
- Patent number 5,235,494
- Issue date Aug 10, 1993
- The Chamberlain Group, Inc.
- James S. Chang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES