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Knuckle pin
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Patent number 12,269,518
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Issue date Apr 8, 2025
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Pennsy Corporation
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Zachary Ryan Brook
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B61 - RAILWAYS
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Knuckle pin
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Patent number 11,608,095
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Issue date Mar 21, 2023
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Pennsy Corporation
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Zachary Ryan Brook
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B61 - RAILWAYS
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Lightweight yoke for railway coupling
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Patent number 11,345,372
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Issue date May 31, 2022
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Pennsy Corporation
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Aaron Stern
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Lightweight coupler
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Patent number 11,345,374
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Issue date May 31, 2022
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Pennsy Corporation
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Aaron Stern
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Coupler knuckle
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Patent number 10,196,076
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Issue date Feb 5, 2019
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Pennsy Corporation
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Zachary Ryan Brook
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B61 - RAILWAYS
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Lightweight rerailer
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Patent number 9,834,233
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Issue date Dec 5, 2017
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Pennsy Corporation
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Zachary Ryan Brook
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B61 - RAILWAYS
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Knuckle thrower
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Patent number 9,714,039
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Issue date Jul 25, 2017
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Pennsy Corporation
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Perry Levitt
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B61 - RAILWAYS
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Coupler knuckle
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Patent number 9,481,380
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Issue date Nov 1, 2016
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Pennsy Corporation
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Zachary Ryan Brook
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B61 - RAILWAYS
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Railway vehicle coupler
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Patent number 9,452,764
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Issue date Sep 27, 2016
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Pennsy Corporation
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Aaron Stern
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B61 - RAILWAYS
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Lightweight rerailer
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Patent number 9,010,252
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Issue date Apr 21, 2015
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Pennsy Corporation
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Zachary Ryan Brook
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B61 - RAILWAYS
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Lightweight rerailer
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Patent number 8,590,457
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Issue date Nov 26, 2013
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Pennsy Corporation
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Michael J. Schmidt
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B61 - RAILWAYS