Richard Kent Frantz

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Davenport, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen concentrator with beds' duty cycle control and self-test
- Patent number 5,858,063
- Issue date Jan 12, 1999
- Litton Systems, Inc.
- Tuan Quoc Cao
- B64 - AIRCRAFT AVIATION COSMONAUTICS