Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394639 | Concrete vibrator head with enhanced vibration and fluid bearing | — | 2002-05-28 |
| 6325531 | Concrete vibrator head with enhanced vibration and fluid bearing | — | 2001-12-04 |
| 6155708 | Concrete vibrator with offset rotor | — | 2000-12-05 |
| 5375942 | Material-leveling apparatus | Joseph W. Lindley | 1994-12-27 |
| 5244305 | Concrete striking equipment | — | 1993-09-14 |