Wayne R. Margerum

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Delran, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic wet tank drain valve
- Patent number 5,205,315
- Issue date Apr 27, 1993
- Wayne R. Margerum
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automatic wet tank drain valve
- Patent number 4,928,724
- Issue date May 29, 1990
- Wayne R. Margerum
- B60 - VEHICLES IN GENERAL