Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D472182 | Illuminable Christmas ornament | — | 2003-03-25 |
| 4306621 | Method for in situ coal gasification operations | R. Michael Boyd, Dennis Fischer, Alan E. Humphrey, S. Bruce King | 1981-12-22 |