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Duesseldorf, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and article for the preventive protection of materials again...
Patent number
5,303,502
Issue date
Apr 19, 1994
Desowag Materialschutz GmbH
Wolfgang Metzner
E04 - BUILDING
Information
Patent Grant
Composition for use an an agent or concentrate for the preservation...
Patent number
5,248,450
Issue date
Sep 28, 1993
Desowag Materialschutz GmbH
Wolfgang Metzner
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Composition for preserving wood and wood materials
Patent number
5,196,407
Issue date
Mar 23, 1993
Desowag Materialschutz GmbH
Peter Goletz
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Method and article for the preventive protection of materials again...
Patent number
5,159,778
Issue date
Nov 3, 1992
Desowag Materialschutz GmbH
Wolfgang Metzner
E04 - BUILDING
Information
Patent Grant
Process for detecting insects
Patent number
4,941,356
Issue date
Jul 17, 1990
Desowag Materialschutz GmbH
Michael Pallaske
G01 - MEASURING TESTING
Information
Patent Grant
Agent for preserving wood or wood-based materials and method for pr...
Patent number
4,824,484
Issue date
Apr 25, 1989
Desowag Materialschutz GmbH
Wolfgang Metzner
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Wood preservative composition and use thereof
Patent number
4,767,458
Issue date
Aug 30, 1988
Desowag Materialschutz GmbH
Frank Moewius
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...