Rudolph Bergsma

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hermetic fuel level sender having tank bottom referencing
- Patent number 6,990,862
- Issue date Jan 31, 2006
- Rudolph Bergsma Trust
- Rudolph Bergsma
- G01 - MEASURING TESTING
Information Patent Grant
Hermetic fuel level sender
- Patent number 6,851,315
- Issue date Feb 8, 2005
- Rudolph Bergsma Trust
- Rudolph Bergsma
- G01 - MEASURING TESTING
Information Patent Grant
Pressure transducer with improved calibration
- Patent number 4,718,278
- Issue date Jan 12, 1988
- Hi-Stat Manufacturing Co., Inc.
- Rudolph Bergsma
- G01 - MEASURING TESTING
Information Patent Grant
Pressure unit assembly
- Patent number 4,431,981
- Issue date Feb 14, 1984
- Chrysler Corporation
- Nelson Fuller
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
HERMETIC FUEL LEVEL SENDER
- Publication number 20130055807
- Publication date Mar 7, 2013
- Gary D. Cochran
- G01 - MEASURING TESTING
Information Patent Application
Hermetic fuel level sender
- Publication number 20050139003
- Publication date Jun 30, 2005
- Rudolph Bergsma Trust
- Gary D. Cochran
- G01 - MEASURING TESTING
Information Patent Application
Hermetic fuel level sender having tank bottom referencing
- Publication number 20050072229
- Publication date Apr 7, 2005
- Rudolph Bergsma
- G01 - MEASURING TESTING
Information Patent Application
Hermetic fuel level sender
- Publication number 20030159507
- Publication date Aug 28, 2003
- Rudolph Bergsma
- G01 - MEASURING TESTING