Robert E. Spenk

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote locomotive spotter control
- Patent number 4,955,304
- Issue date Sep 11, 1990
- General Motors Corporation
- Robert E. Spenk
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Railway locomotive brake control system
- Patent number 4,660,895
- Issue date Apr 28, 1987
- General Motors Corporation
- Wayne E. Chlumecky
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC POWER SAVER FOR A LOCOMOTIVE BATTERY
- Publication number 20180281821
- Publication date Oct 4, 2018
- Progress Rail Locomotive Inc.
- Robert Spenk
- B61 - RAILWAYS