Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10687463 | Mulching apparatus for a lawnmower | Paul Howard Nyboer, Nicholas G. Hayhoe | 2020-06-23 |
| 9560798 | Mulching apparatus for a lawnmower | Paul Howard Nyboer, Nicholas G. Hayhoe | 2017-02-07 |