Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6625610 | Method and apparatus for accessing transaction services using object linking and embedding | Frank Siegel, David J. Cooper, Bill Culman | 2003-09-23 |
| 6035301 | Method and apparatus for accessing transaction services using object linking and embedding | Frank Siegel, David J. Cooper, Bill Culman | 2000-03-07 |
| 5040957 | Co-rotor engine with valve system | — | 1991-08-20 |
| 4666379 | Co-rotor engine and drive apparatus | — | 1987-05-19 |