Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591608 | Folded guide link drive improvements | Christopher C. Langenfeld, Thomas Q. Gurski | 2003-07-15 |
| 6547026 | Safety separation system | Dean Kamen, Robert R. Ambrogi, John B. Morrell, Christopher C. Langenfeld, James H. Steenson, Jr. | 2003-04-15 |
| 6543215 | Thermal improvements for an external combustion engine | Christopher C. Langenfeld, Michael G. Norris, Ryan K. LaRocque, Jonathan Strimling | 2003-04-08 |
| 6508319 | Automobile ingress/egress system | Christopher C. Langenfeld | 2003-01-21 |