Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8162094 | Hydraulic hybrid vehicle with large-ratio shift transmission and method of operation thereof | Charles L. Gray, Jr. | 2012-04-24 |
| 7984783 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof | Charles L. Gray, Jr. | 2011-07-26 |
| 7537075 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof | Charles L. Gray, Jr. | 2009-05-26 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof | Charles L. Gray, Jr. | 2008-03-04 |
| 7252020 | Vehicle drive-train including a clutchless transmission, and method of operation | Charles L. Gray, Jr. | 2007-08-07 |