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Patent applications and USPTO patent grants for Johansen; Per Thanning.The latest application filed is for "drain channel".
Patent | Date |
---|---|
Drain channel Grant D870,249 - Johansen Dec | 2019-12-17 |
Drain channel Grant D868,219 - Johansen Nov | 2019-11-26 |
Grating Grant D779,045 - Johansen February 14, 2 | 2017-02-14 |
Elements for drain channels Grant D777,886 - Johansen January 31, 2 | 2017-01-31 |
Grating Grant D777,887 - Johansen January 31, 2 | 2017-01-31 |
Grating Grant D770,025 - Johansen October 25, 2 | 2016-10-25 |
Filter basket for floor drains Grant D749,706 - Johansen February 16, 2 | 2016-02-16 |
Drain trap Grant D726,888 - Johansen April 14, 2 | 2015-04-14 |
Drain grating Grant D718,844 - Johansen December 2, 2 | 2014-12-02 |
Drain grating Grant D718,845 - Johansen December 2, 2 | 2014-12-02 |
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