Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9295195 | Aerodynamic trimmer head for use in flexible line rotary trimmers | Richard A. Proulx | 2016-03-29 |
| 8918999 | Aerodynamic trimmer head for use in flexible line rotary trimmers | Richard A. Proulx | 2014-12-30 |
| 8510960 | Trimmer head spool for use in flexible line rotary trimmer heads having improved line loading mechanism | Richard A. Proulx | 2013-08-20 |
| 7979991 | Vegetation cutting device | — | 2011-07-19 |
| 7607232 | Vegetation cutting device | — | 2009-10-27 |
| 6952877 | Vegetation cutting device | — | 2005-10-11 |
| 5040436 | Method and apparatus for tipping saw blades | — | 1991-08-20 |
| 4864896 | Method and apparatus for tipping teeth of saw blades | — | 1989-09-12 |
| 4819515 | Method and apparatus for grinding saw teeth | — | 1989-04-11 |