Dennis L. Hansen

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DePere, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Zoned cylindrical dryer
- Patent number 5,060,396
- Issue date Oct 29, 1991
- W. R. Grace & Co.-Conn.
- Dennis L. Hansen
- F26 - DRYING
Information Patent Grant
Control system for an industrial dryer
- Patent number 5,001,845
- Issue date Mar 26, 1991
- W. R. Grace & Co.,-Conn.
- Gerald R. Norz
- F26 - DRYING