Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470602 | Snowthrower having impeller assist propulsion | Donald M. White, III, John T. Gill | 2002-10-29 |
| 6415816 | Air admittance valve assembly | Richard T. Stone, Peter J. Nyvall | 2002-07-09 |