Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679337 | Material working machine with vibrating tool carrier | Jack S. Knackstedt | 1987-07-14 |
| 4592696 | Material working machines | — | 1986-06-03 |
| 4231678 | Paving machines | — | 1980-11-04 |