James M. Grupa

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Dodge, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Airflow regulator
- Patent number 5,348,449
- Issue date Sep 20, 1994
- Lake Center Industries, Inc.
- Robert A. Wilke
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...