Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077607 | Drill head borer | Louis S. Miliman, Alan L. Jones | 2018-09-18 |
| D812108 | Hex coupler | Donald W. Jones | 2018-03-06 |
| D754756 | Coupler | Donald W. Jones | 2016-04-26 |
| D743446 | Coupler | Donald W. Jones | 2015-11-17 |
| D724636 | Pilot | Donald W. Jones | 2015-03-17 |
| 5143163 | Digging tooth | Stephen P. Stiffler, David J. Waite, Wayne H. Beach | 1992-09-01 |
| 5067262 | Digging tooth | Stephen P. Stiffler, Wayne H. Beach | 1991-11-26 |