Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429199 | Cutting bit and cutting insert | Daniel C. Sheirer, Wayne H. Beach | 1995-07-04 |
| 5325799 | Seed boot insert | — | 1994-07-05 |
| 5314029 | Pyramidal shaped, hardened insert for an agricultural tool | — | 1994-05-24 |
| 5310009 | Agricultural insert | — | 1994-05-10 |
| 5297637 | Agricultural disc blade | — | 1994-03-29 |
| 5159985 | Agricultural insert | — | 1992-11-03 |
| 5131725 | Rotatable cutting tool having an insert with flanges | Stephen P. Stiffler, Wayne H. Beach | 1992-07-21 |
| 5005622 | Block and locking mechanism for a stump grinding cutter bit and method of securing and retaining | Wayner H. Beach, Leroy E. Den Besten | 1991-04-09 |
| 4917196 | Excavating tooth for an earth auger | Stephen P. Stiffler, Wayne H. Beach, Steven D. Shirk | 1990-04-17 |
| 4715450 | Grader blade with casting/insert assembly on leading edge | Robert P. Hallissy, Edmund Isakov, Earle W. Stephenson | 1987-12-29 |