Marvin L. Colmer

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Crosbyton, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Submersible thrust limit switch
- Patent number 4,057,365
- Issue date Nov 8, 1977
- Marvin L. Colmer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...