Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11673502 | Lock mechanism | — | 2023-06-13 |
| 11358507 | Lock mechanism | — | 2022-06-14 |
| 10894702 | Vehicle lift system and vehicle dolly system | — | 2021-01-19 |
| 9919754 | Loading ramp and trailer | — | 2018-03-20 |
| 9010795 | Hitch mechanism | — | 2015-04-21 |
| 8690503 | Cargo control system adaptor | — | 2014-04-08 |
| 8439612 | Cargo control system adaptor | — | 2013-05-14 |
| 8123455 | Loading ramp and trailer | — | 2012-02-28 |
| RE42971 | Motorcycle lift | — | 2011-11-29 |
| 6935619 | Motorcycle lift | — | 2005-08-30 |
| 6648300 | Motorcycle lift | — | 2003-11-18 |
| 6575310 | Motorcycle lift | — | 2003-06-10 |
| D420008 | Headphone jack assembly | Bradley K. Lohrding, Daniel L. Williams | 2000-02-01 |
| D382249 | Top, front, rear, and sides of a battery charger | Roman P. Rak | 1997-08-12 |
| D366047 | Interface accessory for PCMCIA devices | Roman P. Rak, William E. Fenton | 1996-01-09 |