Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817813 | Reversible cutter bit | Tammy Elaine Dollar, Robert William Yeager | 2004-11-16 |
| 6808343 | Reversible cutter bit | Tammy Elaine Dollar, Robert William Yeager | 2004-10-26 |
| 6729814 | Reversible cutter bit | Tammy Elaine Dollar, Robert William Yeager | 2004-05-04 |
| D479457 | Reversible V groove round nose bit | Tammy Elaine Dollar, Robert William Yeager | 2003-09-09 |
| D477516 | Multi profile bit | Tammy Elaine Dollar, Robert William Yeager | 2003-07-22 |