Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760404 | Device and method for separating short-wavelength and long-wavelength signals | — | 1988-07-26 |
| 4725796 | Millimeter and infra-red wavelength separating device | Roger K. Youree | 1988-02-16 |