Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11391553 | Precision ammunition cartridge reaming device | — | 2022-07-19 | |
| 4995231 | Performance arcjet thruster | Richard D. Smith, R. J. Cassady, William Smith, Mark A. Simon | 1991-02-26 | $5,438,000 |
| 4926632 | Performance arcjet thruster | Richard D. Smith, R. J. Cassady, William Smith, Mark A. Simon | 1990-05-22 | $1,504,000 |
| 4907407 | Lifetime arcjet thruster | Mark A. Simon, William Smith | 1990-03-13 | $1,545,000 |
| 4866929 | Hybrid electrothermal/electromagnetic arcjet thruster and thrust-producing method | William Smith | 1989-09-19 | $1,823,000 |