Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770253 | Grader blade with tiered inserts on leading edge | Robert P. Hallissy, Edmund Isakov, John F. Kita | 1988-09-13 |
| 4715450 | Grader blade with casting/insert assembly on leading edge | Robert P. Hallissy, Edmund Isakov, Don C. Rowlett | 1987-12-29 |
| 4608318 | Casting having wear resistant compacts and method of manufacture | Nicholas Makrides | 1986-08-26 |
| 4360068 | Furrowing tool | Clyde G. Hutzell | 1982-11-23 |
| 4326592 | Tool for earthworking machine | — | 1982-04-27 |
| 4216832 | Furrowing tool | Clyde G. Hutzell | 1980-08-12 |