Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817482 | Bottled gas valve safety shield apparatus | — | 2004-11-16 |
| 6435497 | V-block for drilling round objects | — | 2002-08-20 |
| 6315057 | Quick change sweep apparatus | — | 2001-11-13 |
| 5058257 | Tool for inserting and removing pin for bucket tooth | David Freestone | 1991-10-22 |