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P. Michael Karnowski
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Baker City, OR, US
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last 30 patents
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Patent Grant
Adjustable framing system for finishing framed door and window open...
Patent number
5,857,299
Issue date
Jan 12, 1999
Brent C. Gyllenberg
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS