Donald R. Taylor Jr.

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Chalfont, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ionization gauge having a non-time varying magnetic field generator...
- Patent number 5,568,053
- Issue date Oct 22, 1996
- The Fredericks Company
- Emil Drubetsky
- G01 - MEASURING TESTING
Information Patent Grant
Convection thermocouple vacuum gauge
- Patent number 5,351,551
- Issue date Oct 4, 1994
- The Fredericks Company
- Emil Drubetsky
- G01 - MEASURING TESTING