N. D. Wygant

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Littleton, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid conductivity device for measuring fluid volumes and method th...
- Patent number 4,390,842
- Issue date Jun 28, 1983
- Marathon Oil Company
- N. Duane Wygant
- G01 - MEASURING TESTING
Information Patent Grant
Programmable time control apparatus
- Patent number 4,319,319
- Issue date Mar 9, 1982
- Marathon Oil Company
- N. D. Wygant
- G05 - CONTROLLING REGULATING