Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D496839 | Shears | Karen A. Richwine, Charles F. T. Merritt | 2004-10-05 |
| D482580 | Shears | Karen A. Richwine, Charles F. T. Merritt | 2003-11-25 |
| D478792 | Shears | Karen A. Richwine, Charles F. T. Merritt | 2003-08-26 |
| D476199 | Apertured blade for a hand pruner | Karen A. Richwine, Charles F. T. Merritt | 2003-06-24 |
| D472433 | Bypass type hand pruner | Karen A. Richwine, Charles F. T. Merritt | 2003-04-01 |
| D464539 | Bypass type hand pruner | Karen A. Richwine, Charles F. T. Merritt | 2002-10-22 |
| D464540 | Lopper | Karen A. Richwine, Charles F. T. Merritt | 2002-10-22 |
| D464541 | Anvil type hand pruner | Karen A. Richwine, Charles F. T. Merritt | 2002-10-22 |