Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669146 | Method for providing gliding and trajectory control of a parachute cluster assembly | Calvin K. Lee | 2003-12-30 |
| 6446871 | Method and apparatus for storing reference codes in a writing instrument and for retrieving information identifed by the reference codes | Thomas H. Peterson, Paul E. Linderson, Frank Mercurio, Robert O. Southworth | 2002-09-10 |
| 5893536 | Parafoil assembly | Calvin K. Lee | 1999-04-13 |
| 4718144 | Friction supported stays for windows | — | 1988-01-12 |
| 4689852 | Friction supported stays for windows | — | 1987-09-01 |
| 4622715 | Friction supporting stays for windows | — | 1986-11-18 |