loadpatents
Patent applications and USPTO patent grants for Witt; Frank.The latest application filed is for "cylinder block of internal combustion engine".
Patent | Date |
---|---|
Cylinder block of internal combustion engine Grant 11,181,070 - Grebien , et al. November 23, 2 | 2021-11-23 |
Cylinder Block Of Internal Combustion Engine App 20190211775 - Grebien; Jan ;   et al. | 2019-07-11 |
Cylinder Liner And Cylinder Head For Combustion Engine App 20140352645 - Burkhard; Sascha ;   et al. | 2014-12-04 |
Pre-combustion chamber tip Grant 8,813,716 - Herold , et al. August 26, 2 | 2014-08-26 |
Pre-combustion Chamber Tip App 20120325179 - Herold; Hendrik ;   et al. | 2012-12-27 |
Flight training glasses Grant 4,482,326 - Witt November 13, 1 | 1984-11-13 |
Laser protection goggles Grant 4,462,661 - Witt July 31, 1 | 1984-07-31 |
Liquid container novelty Grant 4,164,284 - Witt , et al. August 14, 1 | 1979-08-14 |
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