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L. CHAUX-DE FONDS, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for grinding concave parts, notably for manufactu...
Patent number
7,448,939
Issue date
Nov 11, 2008
Voumard Machines Co. SA
Maurice Guenin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Machining method and apparatus
Patent number
5,630,748
Issue date
May 20, 1997
Voumard Machines Co., S.A.
Maurice Guenin
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Driving apparatus for a diamond toolholder
Patent number
5,497,759
Issue date
Mar 12, 1996
Voumard Machines Co. S.A.
Maurice Guenin
B24 - GRINDING POLISHING
Information
Patent Grant
Precision grinding machine
Patent number
5,323,572
Issue date
Jun 28, 1994
Voumard Machines Co. S.A.
Maurice Guenin
B24 - GRINDING POLISHING
Information
Patent Grant
Grinding method and clamping device
Patent number
5,259,156
Issue date
Nov 9, 1993
Engineers' Tool Manufacturing Company
Mordechai Ronen
B24 - GRINDING POLISHING
Information
Patent Grant
Method and apparatus for grinding convergent conical surfaces
Patent number
4,386,483
Issue date
Jun 7, 1983
Voumard Machines Co. S.A.
Alfred Schlaefli
B24 - GRINDING POLISHING
Information
Patent Grant
Auxiliary workpiece-loading and -unloading apparatus
Patent number
4,161,849
Issue date
Jul 24, 1979
Voumard Machines Co.
Hugues Voumard
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Method and device for grinding concave parts, notably for manufactu...
Publication number
20060217833
Publication date
Sep 28, 2006
Voumard Machines Co SA
Maurice Guenin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Trademark
last 30 trademarks
Information
Trademark
73355002 - VOUMARD
Serial number
73355002
Registration number
1274112
Filing date
Apr 16, 1982
Voumard Machines Co. S.A.
7 - Machines and machine tools