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Portable curling-broom
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Patent number 11,103,757
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Issue date Aug 31, 2021
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Rose-Ann Kathleen Lyons
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A63 - SPORTS GAMES AMUSEMENTS
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Curling brooms
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Patent number 4,638,522
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Issue date Jan 27, 1987
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Charles M. Robertson
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A46 - BRUSHWARE
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Curling push-broom
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Patent number 4,349,933
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Issue date Sep 21, 1982
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Albert N. Thompson
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A46 - BRUSHWARE
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Curling broom
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Patent number 4,094,035
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Issue date Jun 13, 1978
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Fernand Marchessault
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A46 - BRUSHWARE
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3913164
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Patent number 3,913,164
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Issue date Oct 21, 1975
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A46 - BRUSHWARE
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3846862
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Patent number 3,846,862
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Issue date Nov 12, 1974
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A46 - BRUSHWARE
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3806981
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Patent number 3,806,981
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Issue date Apr 30, 1974
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A46 - BRUSHWARE
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3793668
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Patent number 3,793,668
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Issue date Feb 26, 1974
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A46 - BRUSHWARE
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3768111
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Patent number 3,768,111
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Issue date Oct 30, 1973
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A46 - BRUSHWARE
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3716885
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Patent number 3,716,885
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Issue date Feb 20, 1973
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A63 - SPORTS GAMES AMUSEMENTS
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3605164
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Patent number 3,605,164
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Issue date Sep 20, 1971
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3380504
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Patent number 3,380,504
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Issue date Apr 30, 1968
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A46 - BRUSHWARE
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3328823
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Patent number 3,328,823
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Issue date Jul 4, 1967
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A46 - BRUSHWARE
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2983939
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Patent number 2,983,939
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Issue date May 16, 1961
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A46 - BRUSHWARE