Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9791037 | Speed control assembly for a self-propelled walk-behind lawn mower | Philip Helin | 2017-10-17 |
| 9651138 | Speed control assembly for a self-propelled walk-behind lawn mower | Philip Helin | 2017-05-16 |
| 9175756 | Speed control assembly for a self-propelled walk behind lawn mower | Philip Helin | 2015-11-03 |
| 9163707 | Method for controlling the speed of a self-propelled walk-behind lawn mower | Philip Helin | 2015-10-20 |