Rudolf Engel

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CH-8253 Elgg, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for treating composite elements
- Patent number 6,065,697
- Issue date May 23, 2000
- Rudolf Engel
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Process and apparatus for treating composite elements
- Patent number 5,938,128
- Issue date Aug 17, 1999
- Rudolf Engel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL