Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681043 | Compression actuated game or simulation apparatus | Fred B. Miller, Jr. | 1997-10-28 |
| 5618178 | Vehicle simulator with low frequency sound feedback | Norman S. Copperman | 1997-04-08 |
| 5618179 | Driver training system and method with performance data feedback | Norman S. Copperman, Alan S. Gray | 1997-04-08 |
| 5607308 | Vehicle simulator with realistic operating feedback | Norman S. Copperman | 1997-03-04 |