Layfield; Brian P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Layfield; Brian P..The latest application filed is for "method and apparatus for an active convertor dolly".
- Layfield; Brian P. - Oakville CA
- - Oakville CA
| Patent | Date |
|---|---|
| Method and apparatus for an active convertor dolly Grant 11,338,698 - Layfield , et al. May 24, 2 | 2022-05-24 |
| Method and apparatus for an active convertor dolly Grant 10,449,954 - Layfield , et al. Oc | 2019-10-22 |
| Fairing Grant D854,470 - Haws , et al. | 2019-07-23 |
| Method And Apparatus For An Active Convertor Dolly App 20180345952 - LAYFIELD; Brian P. ; et al. | 2018-12-06 |
| Drag reduction fairing for a trailer converter dolly Grant 9,956,997 - Layfield , et al. May 1, 2 | 2018-05-01 |
| Drag Reduction Fairing For A Trailer Converter Dolly App 20150307142 - Layfield; Brian P. ; et al. | 2015-10-29 |
| Drag reduction plate and structure for trailers Grant 08919863 - | 2014-12-30 |
| Drag reduction plate and structure for trailers Grant 8,919,863 - Layfield , et al. December 30, 2 | 2014-12-30 |
| Drag Reduction Plate and Structure For Trailers App 20130285411 - Layfield; Brian P. ; et al. | 2013-10-31 |
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