Roger W. Patten

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Movable cover for a roof, pool, or other opening
- Patent number 5,947,178
- Issue date Sep 7, 1999
- Patten Partnership Ltd.
- Roger W. Patten
- E04 - BUILDING
Information Patent Grant
Bascule bridge with hinged section
- Patent number 5,421,051
- Issue date Jun 6, 1995
- Roger W. Patten
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES