Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063999 | Belt adjustment system | Edward R. Rowland | 2024-08-20 |
| 11896073 | Belt system | Edward R. Rowland | 2024-02-13 |
| 10966489 | Belt adjustment system | Edward R. Rowland | 2021-04-06 |
| 10897942 | Belt system | Edward R. Rowland | 2021-01-26 |
| 10299545 | Belt adjustment system | Edward R. Rowland | 2019-05-28 |
| 10208778 | Belt system | Edward R. Rowland | 2019-02-19 |
| 9549581 | Belt adjustment system | Edward R. Rowland | 2017-01-24 |
| 9185942 | Belt adjustment system | Edward R. Rowland | 2015-11-17 |
| 8689364 | Belt adjustment system | Edward R. Rowland | 2014-04-08 |
| 7967322 | Pivoting hitch system for trailer | Edward R. Rowland | 2011-06-28 |
| 7527281 | Pivoting hitch system for trailer | Edward R. Rowland | 2009-05-05 |
| 7494147 | Locking system for pivoting trailer coupler assembly | Edward R. Rowland | 2009-02-24 |
| 7455436 | Flush-mounted lighting system for vehicle | Edward R. Rowland | 2008-11-25 |
| 6364337 | Pivoting trailer hitch adapter system | Edward R. Rowland | 2002-04-02 |
| 5992871 | Swing-away trailer hitch/coupler and method of manufacturing | Edward R. Rowland | 1999-11-30 |
| 5890617 | Swing-away trailer hitch/coupler | Edward R. Rowland | 1999-04-06 |