Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691417 | Pruner attachment apparatus for a power tool | David C. Campbell | 2004-02-17 |
| 6484409 | Pruner attachment apparatus for a power tool | David C. Campbell | 2002-11-26 |
| 6460253 | Combination string and blade trimmer with auxiliary blower function | Dale K. Wheeler, Colin Dyke, William R. Lessig, III, Robert A. Meloni | 2002-10-08 |
| 6442845 | Combination string and blade trimmer with auxiliary blower function | Dale K. Wheeler, Colin Dyke, William R. Lessig, III, Robert A. Meloni | 2002-09-03 |