William R. Page

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Empty and load apparatus for railroad cars
- Patent number 4,423,909
- Issue date Jan 3, 1984
- William R. Page
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Modulating valve assembly for railroad car brake cylinders
- Patent number 4,179,165
- Issue date Dec 18, 1979
- William R. Page
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Modulating valve assembly for railroad car brake cylinders
- Patent number 4,093,315
- Issue date Jun 6, 1978
- William R. Page
- B60 - VEHICLES IN GENERAL