Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647747 | Mechanized robots for use in instruction, training, and practice in the sport of ice and roller hockey | Vincent James Macri, Paul Zilber | 1997-07-15 |
| 5643094 | Interactive ice and roller hockey training, coaching, and playing rinks | Vincent James Macri, Paul Zilber | 1997-07-01 |