Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9585313 | Indexable stump cutter tooth | Gary W. Kappel, Thomas R. Lyng, Don C. Rowlett | 2017-03-07 |
| 8534766 | Indexable cutting tool system | Wayne H. Beach | 2013-09-17 |
| 8522843 | Indexable stump cutter tooth | Gary W. Kappel, Thomas R. Lyng, Don C. Rowlett | 2013-09-03 |
| 8020591 | Indexable stump cutter tooth | Gary W. Kappel, Thomas R. Lyng, Don C. Rowlett | 2011-09-20 |
| D588810 | Toolbox | Don C. Rowlett | 2009-03-24 |
| 7210745 | Retainer for cutting bit | — | 2007-05-01 |
| 6481803 | Universal bit holder block connection surface | — | 2002-11-19 |
| 6428110 | Cutting tool retainer | Stephen P. Stiffler | 2002-08-06 |
| 6070945 | Cutting tool retainer | Wayne H. Beach, Stephen P. Stiffler | 2000-06-06 |
| 6024143 | Cutting tooth assembly | — | 2000-02-15 |
| 5833017 | Cutting bit assembly for impinging an earth strata | Gerald L. Woods, Percy D. Bollman | 1998-11-10 |
| 5720528 | Rotatable cutting tool-holder assembly | — | 1998-02-24 |
| 5628549 | Cutting tool sleeve rotation limitation system | Robert H. Montgomery, Jr. | 1997-05-13 |