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William L. Defibaugh
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Bedford, MA, US
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last 30 patents
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Patent Grant
Foldable swing set
Patent number
4,537,392
Issue date
Aug 27, 1985
Brown Group Recreational Products, Inc.
William L. Defibaugh
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...