Virgil L. Frantz

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Salem, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure gauge assembly
- Patent number 4,596,149
- Issue date Jun 24, 1986
- Roanoke College
- Virgil L. Frantz
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for indicating leakage in compressed air line
- Patent number 4,513,604
- Issue date Apr 30, 1985
- Virgil L. Frantz
- G01 - MEASURING TESTING