Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491255 | Crashworthy external auxiliary fuel tank for aircraft | Jeff Bracken, Bill York | 2002-12-10 |
| 4934917 | Apparatus for forming hollow structures from powdered thermoplastic materials | Larry J. Ashton, Roland J. Christensen | 1990-06-19 |
| 4776996 | Process and apparatus for forming hollow structures from powdered thermoplastic materials | Larry J. Ashton, Roland J. Christensen | 1988-10-11 |