Robert L. Bishop

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Ballwin, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Vent cover
- Patent number 4,115,961
- Issue date Sep 26, 1978
- West County Supply & Mfg. Co., Inc.
- Robert L. Bishop
- E04 - BUILDING
Information Patent Grant
Flanged trap incorporating access fitting
- Patent number 3,994,031
- Issue date Nov 30, 1976
- Robert L. Bishop
- E03 - WATER SUPPLY SEWERAGE