Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |