Patents per Year
Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681871 | Auger tool for boring | Thomas B. Mash | 2004-01-27 |
| 5933907 | Modification of strip brush | — | 1999-08-10 |
| 5762404 | Modification of strip brush | — | 1998-06-09 |
| 5445438 | Strip brush for mounting on a rotary drum | — | 1995-08-29 |
| 5358311 | Strip brush for mounting on a rotary drum | — | 1994-10-25 |
| 5358312 | Method of making a strip brush for mounting of a rotary drum | — | 1994-10-25 |
| 5251355 | Strip brush for mounting on a rotary drum | — | 1993-10-12 |
| 5160187 | Strip brush for mounting on a rotary drum | — | 1992-11-03 |
| 4763378 | Push broom head of the channel-mounted bristle type | — | 1988-08-16 |
| 4498210 | Brush bristle unit for brush rolls | — | 1985-02-12 |
| 4490872 | Spiral brush section | — | 1985-01-01 |
| 4490877 | Spiral brush section | — | 1985-01-01 |
| 4214339 | Rotary broom core assemblage | — | 1980-07-29 |