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Patents Grants
last 30 patents
Information
Patent Grant
Vent valve
Patent number
5,653,258
Issue date
Aug 5, 1997
Behr-Thomson GmbH & Co.
Wilhelm Schwarz
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of making a vent valve
Patent number
5,649,360
Issue date
Jul 22, 1997
Behr-Thomson GmbH & Co.
Wilhelm Schwarz
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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