Marlin D. Westra

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Sioux Falls, SD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for measuring leakage to ground
- Patent number 4,352,058
- Issue date Sep 28, 1982
- Sencore, Inc.
- Marlin D. Westra
- G01 - MEASURING TESTING
Information Patent Grant
Method and instrument for testing the operating characteristics of...
- Patent number 4,267,503
- Issue date May 12, 1981
- Marlin D. Westra
- G01 - MEASURING TESTING
Information Patent Grant
Inductance meter
- Patent number 4,258,315
- Issue date Mar 24, 1981
- Sencore, Inc.
- Marlin D. Westra
- G01 - MEASURING TESTING
Information Patent Grant
Channel frequency analyser
- Patent number 4,128,808
- Issue date Dec 5, 1978
- Sencore, Inc.
- Marlin D. Westra
- G01 - MEASURING TESTING
Information Patent Grant
Display circuit for battery powered digital meter
- Patent number 3,990,008
- Issue date Nov 2, 1976
- Sencore, Inc.
- Marlin D. Westra
- G01 - MEASURING TESTING