Guy Doucin

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Thann, FR

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Patents Grantslast 30 patents

Information Patent Grant
Installations for processing a product in a gas medium
- Patent number 4,484,889
- Issue date Nov 27, 1984
- Air Industrie
- Paul H. Marchal
- F26 - DRYING
Information Patent Grant
Installation for treating a product in a gaseous medium
- Patent number 4,204,340
- Issue date May 27, 1980
- Air Industrie
- Guy Doucin
- F26 - DRYING