US Patent 7933083 Diaphragm device
Is a
Date Filed
April 27, 2010
1
Date of Patent
April 26, 2011
1
Patent Application Number
12767965
1
Patent Inventor Names
Volker Gerstner
1
Jörg Steinert
1
Thomas Mehner
1
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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