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Cattle guard
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Patent number 11,696,565
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Issue date Jul 11, 2023
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John C. Washburn
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Cattle guard assembly
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Patent number 11,375,687
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Issue date Jul 5, 2022
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Wayde Nielsen
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Injury mitigating stock guard
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Patent number 11,058,094
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Issue date Jul 13, 2021
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Joseph C. Parsons
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Cattle guard
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Patent number 10,905,097
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Issue date Feb 2, 2021
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John C. Washburn
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Wildlife exclusion composition and assembly
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Patent number 10,398,138
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Issue date Sep 3, 2019
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LAMPMAN WILDLIFE MANAGEMENT SERVICES LIMITED
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Richard Lampman
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Injury mitigating stock guard
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Patent number 9,750,228
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Issue date Sep 5, 2017
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Joseph C. Parsons
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Cattle grid
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Patent number 8,733,741
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Issue date May 27, 2014
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Jeremy Ryton Drax
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Electric cattle guard
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Patent number 6,519,131
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Issue date Feb 11, 2003
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Herbert W. Beck
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Pop-up stock guard
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Patent number 5,419,537
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Issue date May 30, 1995
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Richard M. Thompson
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Cattle guard
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Patent number 5,203,544
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Issue date Apr 20, 1993
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A. LeVan Webb
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Portable cattle gate
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Patent number 5,179,801
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Issue date Jan 19, 1993
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Victor E. Babchuk
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Portable pitless livestock gate
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Patent number 5,131,631
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Issue date Jul 21, 1992
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James A. Cobbe
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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One way animal gate
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Patent number 5,081,958
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Issue date Jan 21, 1992
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Terry Quisenberry
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Electric livestock guard
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Patent number 5,072,915
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Issue date Dec 17, 1991
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Murphy Shirley
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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One way animal gate
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Patent number 4,953,323
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Issue date Sep 4, 1990
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Terry Quisenberry
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Pop-up stock guard
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Patent number 4,844,423
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Issue date Jul 4, 1989
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Linsey L. Combs
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Knock-down cattle guard
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Patent number 4,789,137
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Issue date Dec 6, 1988
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William C. Heldenbrand
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Stock barrier
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Patent number 4,708,515
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Issue date Nov 24, 1987
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David T. Davies
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Cattle guard
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Patent number 4,655,435
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Issue date Apr 7, 1987
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Daniel Joseph
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Electronic cattle guard
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Patent number 4,503,399
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Issue date Mar 5, 1985
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Tidball; Keith A.
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Jay R. Carr
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Armored cattle guard
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Patent number 4,434,975
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Issue date Mar 6, 1984
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John W. Tompkins
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING