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Khristopher R. Wall
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St. Joseph, MO, US
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last 30 patents
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Patent Grant
System and method for operating a ballast car hopper door
Patent number
10,787,109
Issue date
Sep 29, 2020
Herzog Railroad Services, Inc.
Nathan A. Landes
B60 - VEHICLES IN GENERAL
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last 30 patents
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Patent Application
SYSTEM AND METHOD FOR OPERATING A BALLAST CAR HOPPER DOOR
Publication number
20180134201
Publication date
May 17, 2018
HERZOG RAILROAD SERVICES, INC.
Nathan A. Landes
B60 - VEHICLES IN GENERAL