Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8985837 | Hopper wall mounting for concrete vibrator | John Thomson, Jr. | 2015-03-24 |
| D622215 | Concrete vibrator motor and housing therefor | Paul Jaworski | 2010-08-24 |
| 6109111 | Concrete vibrator monitor | James Chaplin | 2000-08-29 |
| 5992238 | Vibration speed sensor | James Chaplin | 1999-11-30 |
| 5564824 | Rotary vibrator | James Chaplin | 1996-10-15 |