Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894672 | Enhanced sight marker apparatus | Howard Steve Ellenburg | 1999-04-20 |
| 5803067 | Pivotal sling strap connectors and sights for slingshots | Howard Steve Ellenburg | 1998-09-08 |
| 4583513 | Foldable wrist braced slingshot with ammunition storage and dispensing means | H. Steve Ellenburg | 1986-04-22 |