Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9002638 | Method and apparatus for geometric search and display for a digital map | — | 2015-04-07 |
| 8630993 | Time-conditioned search engine interface with visual feedback | — | 2014-01-14 |
| 8135696 | Time-conditioned search engine interface with visual feedback | — | 2012-03-13 |
| 5507144 | Lightweight, safe hydraulic power system and a method of operation thereof | Charles L. Gray, Jr. | 1996-04-16 |
| 5495912 | Hybrid powertrain vehicle | Charles L. Gray, Jr., Karl H. Hellman | 1996-03-05 |