Ulrich H. von Waldegge

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D-4950 Minden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Backrest for chairs
- Patent number 4,406,496
- Issue date Sep 27, 1983
- Fritz Drabert
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Adjustable chair backrest mechanism using pneumatic and mechanical...
- Patent number 4,362,335
- Issue date Dec 7, 1982
- Fritz Drabert
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...