Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885078 | Drive system for screeding concrete | Peter A. Ligman | 2024-01-30 |
| 11788304 | Electronically actuated leveling system for screeding concrete | Peter A. Ligman | 2023-10-17 |
| 11560727 | Apparatus for screeding concrete | Peter A. Ligman | 2023-01-24 |
| 11162232 | Drive system for screeding concrete | Peter A. Ligman | 2021-11-02 |
| 5500494 | System for modifying operation of pneumatic tool | — | 1996-03-19 |
| 5244521 | Pneumatic tool muffler system | — | 1993-09-14 |
| 5189267 | Pneumatic tool muffler system | — | 1993-02-23 |