Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D716629 | Single blade ratchet screwdriver | — | 2014-11-04 |
| D714121 | Multi-bit ratchet screwdriver | — | 2014-09-30 |
| 8210072 | Roller bearing ratchet tool | — | 2012-07-03 |
| 5595294 | Modular packaging and holder for tool bits | Archibald M. McKenzie, Paul McKenzie | 1997-01-21 |