Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231737 | Material transport method and apparatus | J. Michael Ramsey | 2001-05-15 |
| 6110343 | Material transport method and apparatus | J. Michael Ramsey | 2000-08-29 |
| 4705947 | Pulsed helium ionization detection system | Richard Todd | 1987-11-10 |
| 4705948 | Closed-loop pulsed helium ionization detector | Richard Todd | 1987-11-10 |