Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9295195 | Aerodynamic trimmer head for use in flexible line rotary trimmers | James R. Pfaltzgraff | 2016-03-29 |
| 8973274 | Fixed line head for flexible line rotary trimmers | — | 2015-03-10 |
| 8918999 | Aerodynamic trimmer head for use in flexible line rotary trimmers | James R. Pfaltzgraff | 2014-12-30 |
| 8910388 | Aerodynamic trimmer head for use in flexible line rotary trimmers | — | 2014-12-16 |
| 8707567 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | — | 2014-04-29 |
| 8567073 | Aerodynamic trimmer head for use in flexible line rotary trimmers | — | 2013-10-29 |
| 8510960 | Trimmer head spool for use in flexible line rotary trimmer heads having improved line loading mechanism | James R. Pfaltzgraff | 2013-08-20 |
| D638679 | Trimmer head for use in flexible line rotary trimmers | — | 2011-05-31 |
| D638678 | Trimmer head for use in flexible line rotary trimmers | — | 2011-05-31 |
| 7919028 | Method of manufacturing noise attenuating flexible cutting line for use in rotary vegetation trimmers | William Patrick Conley, Rodger Thomason | 2011-04-05 |
| 7882642 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | — | 2011-02-08 |
| D630068 | Trimmer head for use in flexible line rotary trimmers | — | 2011-01-04 |
| 7797839 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | — | 2010-09-21 |
| 7762002 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | — | 2010-07-27 |
| 7718103 | Method of manufacturing noise attenuating flexible cutting line for use in rotary vegetation trimmers | William Patrick Conley, Rodger Thomason | 2010-05-18 |
| 7581322 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | — | 2009-09-01 |
| 7513046 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | — | 2009-04-07 |
| D586191 | Cutting line for rotary trimmers | — | 2009-02-10 |
| D579286 | Flexible cutting line for rotary trimmers | — | 2008-10-28 |
| D579282 | Flexible cutting line for rotary trimmers | — | 2008-10-28 |
| D579283 | Flexible cutting line for rotary trimmers | — | 2008-10-28 |
| D579284 | Flexible cutting line for rotary trimmers | — | 2008-10-28 |
| D579285 | Flexible cutting line for rotary trimmers | — | 2008-10-28 |
| D578845 | Flexible cutting line for rotary trimmers | — | 2008-10-21 |
| D578843 | Flexible cutting line for rotary trimmers | — | 2008-10-21 |