Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11490599 | Reduced weight live poultry hauling system | David S. Purtle | 2022-11-08 |
| 11440476 | Extendable/retractable step assembly for a rear assembly of a flatbed trailer | — | 2022-09-13 |
| 11110843 | Anti-torsion structure for an A-frame hauling trailer | — | 2021-09-07 |
| 11006618 | Reduced weight live poultry hauling system | David S. Purtle | 2021-05-18 |
| 10710508 | Extendable/retractable step assembly for a rear assembly of a flatbed trailer | — | 2020-07-14 |
| 10688904 | Anti-torsion structure for an A-frame hauling trailer | — | 2020-06-23 |
| 10349636 | Reduced weight live poultry hauling system | David S. Purtle | 2019-07-16 |
| 10085428 | Reduced weight live poultry hauling system | David S. Purtle | 2018-10-02 |
| 9918456 | Reduced weight live poultry hauling system | David S. Purtle | 2018-03-20 |
| 9788532 | Reduced weight live poultry hauling system | David S. Purtle | 2017-10-17 |
| 9668460 | Reduced weight live poultry hauling system | David S. Purtle | 2017-06-06 |
| 9420767 | Reduced weight live poultry hauling system | David S. Purtle | 2016-08-23 |
| 8888135 | Clamp attachment of suspension hanger to aluminum flatbed frame | — | 2014-11-18 |
| 6283538 | Flatbed trailer | — | 2001-09-04 |
| 6109684 | Unitized flatbed trailer structure and container truck floor structure | — | 2000-08-29 |
| D418095 | Truck bumper | — | 1999-12-28 |
| 5425608 | Coil rack for flatbed trailer | — | 1995-06-20 |