Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926960 | Hedge shears | Peter Heywood, Klaus Schoen | 1999-07-27 |
| 5689887 | Hedge shear | Peter Heywood, Theodor M. J. Brouwers | 1997-11-25 |
HA
Helmut Achtzehnter
Overall (All Time): #2,251,109 of 4,157,543Top 55%
2
Patents All Time