Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675592 | Electronic control strategy for A/C compressor | Yong Huang, Rodney James Callahan, Shane A. Harte | 2004-01-13 |
| 6464027 | Method of thermal management for a hybrid vehicle | Gerhard A. Dage | 2002-10-15 |
| 4969604 | Nozzle assembly | — | 1990-11-13 |
| 4921067 | Self-propelled percussion unit and method of using same | David W. Fulkerson | 1990-05-01 |
| 4715471 | Self-propelled percussion unit and method of using same | David W. Fulkerson | 1987-12-29 |
| 4315550 | Self-propelled apparatus for setting cemetery markers and the like | David W. Fulkerson | 1982-02-16 |
| 4306406 | Grass trimming apparatus | David W. Fulkerson | 1981-12-22 |