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Patent applications and USPTO patent grants for Doetzel; Wolfram.The latest application filed is for "mems vacuum sensor based on the friction principle".
Patent | Date |
---|---|
MEMS vacuum sensor based on the friction principle Grant 8,186,225 - Kurth , et al. May 29, 2 | 2012-05-29 |
Mems Vacuum Sensor Based On The Friction Principle App 20100024562 - Kurth; Steffen ;   et al. | 2010-02-04 |
Resonance scanner Grant 6,975,442 - Gessner , et al. December 13, 2 | 2005-12-13 |
Resonance scanner App 20040130765 - Gessner, Thomas ;   et al. | 2004-07-08 |
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