Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8386099 | Method and apparatus for initial orbit determination using high-precision orbit propagation and maneuver modeling | Timothy Adam Craychee, Henry Casmir Grabowski, III | 2013-02-26 |
| 6937968 | Method and apparatus for sequentially profiling and solving problems in space mission analysis | Frank Todd Stoner | 2005-08-30 |
| 5021654 | All ceramic ion mobility spectrometer cell | Donald N. Campbell, Glenn E. Spangler, Robert C. Davis, Eugene F. Fafaul | 1991-06-04 |
| 4928033 | Thermionic ionization source | Glenn E. Spangler, Donald N. Campbell | 1990-05-22 |