Paul W. Fernstrum

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Menominee, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Marine heat exchanger
- Patent number 5,931,217
- Issue date Aug 3, 1999
- R.W. Fernstrum & Company
- Paul W. Fernstrum
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Underwater outboard marine heat exchanger
- Patent number 4,338,993
- Issue date Jul 13, 1982
- R. W. Fernstrum & Co.
- Paul W. Fernstrum
- F28 - HEAT EXCHANGE IN GENERAL