loadpatents
Patent applications and USPTO patent grants for Langewiesche; Frank.The latest application filed is for "screw element".
Patent | Date |
---|---|
Screw element Grant 11,274,691 - Langewiesche March 15, 2 | 2022-03-15 |
Screw Element App 20210140461 - Langewiesche; Frank | 2021-05-13 |
Plug screw Grant 10,954,987 - Langewiesche March 23, 2 | 2021-03-23 |
Plug Screw App 20190203756 - Langewiesche; Frank | 2019-07-04 |
Schraubelement--screw element Grant 9,494,179 - Langewiesche November 15, 2 | 2016-11-15 |
Schraubelement - Screw Element App 20150322990 - Langewiesche; Frank | 2015-11-12 |
Self-boring and self-tapping screw Grant 7,677,854 - Langewiesche March 16, 2 | 2010-03-16 |
Self-boring and self-tapping screw App 20070160440 - Langewiesche; Frank | 2007-07-12 |
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