Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8708245 | Controlled-friction track for gravity race cars | — | 2014-04-29 |
| 8469831 | Cycloid ramp for gravity race cars | — | 2013-06-25 |
| 8043139 | Start switch for gravity-driven cars | — | 2011-10-25 |
| 8016639 | Start gate for gravity-driven cars | — | 2011-09-13 |
| 4792232 | Method and apparatus for detection of undesirable surface deformities | Allen E. Lepley | 1988-12-20 |
| 4582991 | Method of measuring the density of a material | Anthony M. Leonardi-Cattolica, Dale H. McMillan | 1986-04-15 |