Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8544366 | Spark plug removal tool apparatus | Hugo Oswaldo Castan Leyva | 2013-10-01 |
| D414099 | Tool handle | Kenneth F. Halls | 1999-09-21 |
| D403228 | Tool handle | Kenneth F. Halls | 1998-12-29 |
| D393791 | Tool handle | Kenneth F. Halls | 1998-04-28 |