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Patent applications and USPTO patent grants for Kaelin; August.The latest application filed is for "scattered light smoke detector".
Patent | Date |
---|---|
Scattered light smoke detector Grant 7,777,634 - Kaelin , et al. August 17, 2 | 2010-08-17 |
Scattered Light Smoke Detector App 20090009347 - Kaelin; August ;   et al. | 2009-01-08 |
Method for registration of tickets using slot zones and container telegrams App 20050023344 - Kaelin, August ;   et al. | 2005-02-03 |
Send filter for an echo canceler Grant 5,649,010 - Gysel , et al. July 15, 1 | 1997-07-15 |
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