Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966846 | Two-piece impeller | Edward A. Raleigh, Daniel R. Bullis, Jr., Knute Alstad | 1999-10-19 |
| 5758436 | Single stage snowthrower | — | 1998-06-02 |
| 4790762 | Backplane for a modularly expandable programmable controller | David S. Harms, deceased, Joan Harms, heir, Thomas A. Flether, Richard L. Rowe | 1988-12-13 |