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Patent applications and USPTO patent grants for Grant; Donald.The latest application filed is for "maneuverable ergonomic trailer stands".
Patent | Date |
---|---|
Portable trailer stands Grant 11,077,895 - Wiegel , et al. August 3, 2 | 2021-08-03 |
Dog waste collection assembly Grant 10,512,248 - Grant Dec | 2019-12-24 |
Maneuverable Ergonomic Trailer Stands App 20190308855 - Wiegel; Aaron J. ;   et al. | 2019-10-10 |
Portable Trailer Stands App 20190061844 - Wiegel; Aaron J. ;   et al. | 2019-02-28 |
Pipe fitting Grant D777,300 - Grant , et al. January 24, 2 | 2017-01-24 |
System and method for liquid filtration based on a neutral filter material Grant 7,462,283 - Kelly , et al. December 9, 2 | 2008-12-09 |
System and method for liquid filtration based on a neutral filter material App 20060144790 - Kelly; Wayne ;   et al. | 2006-07-06 |
System and method for liquid filtration based on a neutral filter material App 20020011450 - Kelly, Wayne ;   et al. | 2002-01-31 |
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