Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062641 | Projectile trajectory determination system | Howard A. Canistraro, Ronald F. Sienko | 1991-11-05 |
| 5056791 | Golf simulator and analyzer system | Roland Melzer, Ronald F. Sienko | 1991-10-15 |