Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044171 | Exterior ductwork system | James W. Betley, Keith S. Betley, Dennis L. Horn, Ralph Raymond Delaney, Richard S. Robertson +1 more | 2006-05-16 |
| 4361889 | Grating tuned unstable resonator laser cavity | — | 1982-11-30 |