Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285699 | Reinforced composite flywheels and shafts | W. Alan Walls, Elvin Estes, Steve M. Manifold, Michael L. Spann | 1994-02-15 |
| 4996016 | Methods for making reinforced composite flywheels and shafts | W. Alan Walls, Elvin Estes, Steve M. Manifold, Michael L. Spann | 1991-02-26 |
| 4884489 | High performance electromagnetic railgun launcher | Raymond C. Zowarka, Damon A. Weeks, William F. Weldon, Jim L. Upshaw, Mike L. Spann +1 more | 1989-12-05 |
| 4858304 | Method of constructing a rotor assembly for homopolar generator | William F. Weldon, Mark A. Pichot | 1989-08-22 |
| 4800311 | Rotor assembly for homopolar generator | William F. Weldon, Mark A. Pichot | 1989-01-24 |
| 4562368 | Brush mechanism for a homopolar generator | William F. Weldon, William A. Walls | 1985-12-31 |
| 4544874 | Homopolar generator power supply system | William F. Weldon | 1985-10-01 |
| 4459504 | Brush actuator for homopolar generator | William F. Weldon, Kurth P. Bousman | 1984-07-10 |