Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351034 | Directly supported electric drive wheel system and hybrid vehicle | — | 2025-07-08 |
| 11433757 | Electric wheel drive system and hybrid vehicle | Robert S. Cornelius | 2022-09-06 |
| 9956881 | Hybrid electric drive system and method | — | 2018-05-01 |
| 9689963 | Navigation system and method | Robert S. Cornelius, Frank Artner | 2017-06-27 |
| 9063211 | Navigation system and method | Robert S. Cornelius, Frank Artner | 2015-06-23 |
| 8607507 | Bracket device for mounting on a roof | — | 2013-12-17 |
| 8037643 | Roof ridge construction apparatus and method | — | 2011-10-18 |
| 6070368 | Roof bracket | — | 2000-06-06 |
| 5669184 | Snow bracket | — | 1997-09-23 |