Patent applications and USPTO patent grants for Brecher; Kenneth.The latest application filed is for "spinning top".
Patent | Date |
---|---|
Spinnable rattleback Grant D908,809 - Brecher January 26, 2 | 2021-01-26 |
Spinning top Grant 9,561,446 - Brecher February 7, 2 | 2017-02-07 |
Spinning Top App 20160256789 - Brecher; Kenneth | 2016-09-08 |
Binocular spectrometer Grant 7,202,949 - Weeks , et al. April 10, 2 | 2007-04-10 |
Binocular spectrometer App 20050110995 - Weeks, Erin M. ;   et al. | 2005-05-26 |
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