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John C. Bumgarner Sr.
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Glen Burnie, MD, US
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last 30 patents
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Patent Grant
Coping attachment system
Patent number
4,625,343
Issue date
Dec 2, 1986
John C. Bumgarner
E04 - BUILDING
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Patent Grant
Swimming pool deck
Patent number
4,232,491
Issue date
Nov 11, 1980
John C. Bumgarner
E04 - BUILDING