David J. Nowaczyk

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Environmental distribution control module
- Patent number 6,209,335
- Issue date Apr 3, 2001
- David J Nowaczyk
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Adjustable rotary vane pump
- Patent number 4,716,726
- Issue date Jan 5, 1988
- David J. Nowaczyk
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES