Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950147 | Dividing and rounding machine | David E. Beatty, Jeffery A. Nyguist | 1990-08-21 |
| 4898528 | Dividing and rounding machine | David E. Beatty, Jeffery A. Nyquist | 1990-02-06 |