Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8118516 | Energy absorbing system | Matthew A. Gelfand, Joseph Vellozzi, Norman D. Mackenzie, Shubin Ruan, D. Lance Bullard, Jr. +1 more | 2012-02-21 |
| 7785031 | Energy absorbing system | Joseph Vellozzi, Matthew A. Gelfand, Norman D. Mackenzie, Shubin Ruan, D. Lance Bullard, Jr. +1 more | 2010-08-31 |
| 6843613 | Energy absorbing system | Matthew A. Gelfand, Joseph Vellozzi, Norman D. Mackenzie, Shubin Ruan, D. Lance Bullard, Jr. +1 more | 2005-01-18 |