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FRIBOURG, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Sealing element
Patent number
5,072,952
Issue date
Dec 17, 1991
Irbit Research & Consulting A.G.
Fritz Irrgeher
E04 - BUILDING
Information
Patent Grant
Composite part of flexible cellular material and elastic rubber mat...
Patent number
5,064,709
Issue date
Nov 12, 1991
Irbit Research & Consulting A.G.
Rolf Tschudin-Mahrer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyetherimide foam precursors and foams having improved physical p...
Patent number
4,980,389
Issue date
Dec 25, 1990
Irbit Research & Consulting A.G.
Francis U. Hill
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Sealing element
Patent number
4,977,018
Issue date
Dec 11, 1990
Irbit Research & Consulting A.G.
Fritz Irrgeher
E04 - BUILDING
Information
Patent Grant
Acoustic insulation board consisting of foam
Patent number
4,867,271
Issue date
Sep 19, 1989
Irbit Research & Consulting A.G.
Rolf Tschudin-Mahrer
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Fire-protective sealing element
Patent number
4,839,223
Issue date
Jun 13, 1989
Irbit Research & Consulting A.G.
Rolf Tschudin-Mahrer
E04 - BUILDING
Information
Patent Grant
Transport roller
Patent number
4,837,064
Issue date
Jun 6, 1989
Irbit Research & Consulting A.G.
Rolf Tschudin-Mahrer
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Head cushion element
Patent number
4,776,048
Issue date
Oct 11, 1988
Irbit Research & Consulting A.G.
Illbruck G. Wilheim
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Sealing strip
Patent number
4,767,655
Issue date
Aug 30, 1988
Irbit Research & Consulting AG
Rolf Tschudin-Mahrer
E04 - BUILDING
Information
Patent Grant
Foam acoustic absorption member
Patent number
4,715,473
Issue date
Dec 29, 1987
Irbit Research & Consulting A.G.
Rolf Tschudin-Mahrer
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Foam panel
Patent number
4,666,768
Issue date
May 19, 1987
Irbit Research & Consulting A.G.
Rolf Tschudin-Mahrer
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Foam sealing tape
Patent number
4,564,550
Issue date
Jan 14, 1986
Irbit Research & Consulting A.G.
Rolf Tschudin-Mahrer
E04 - BUILDING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73671674 - WILLTEC
Serial number
73671674
Registration number
1513594
Filing date
Jul 13, 1987
IRBIT RESEARCH & CONSULTING AG
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes