Duane W. Marion

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Superior, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Cold cathode ionization vacuum gauge with multiple cathodes
- Patent number 10,337,940
- Issue date Jul 2, 2019
- MKS Instruments, Inc.
- Timothy C. Swinney
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
COLD CATHODE IONIZATION VACUUM GAUGE WITH MULTIPLE CATHODES
- Publication number 20170315012
- Publication date Nov 2, 2017
- MKS Instruments, Inc.
- Timothy C. Swinney
- G01 - MEASURING TESTING