Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6011913 | Method and apparatus for determination of spacecraft drag | Douglas John Claffey, Paul Graziani, James Tucholski | 2000-01-04 |
| 5864489 | Method and apparatus for determining exposure of spacecraft-mounted solar panels to sun and determination of spacecraft drag | Douglas John Claffey, Paul Graziani, James Tucholski | 1999-01-26 |