Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061801 | Intermediate for making 3-oxo-4-aza-androst-1-ene 17.beta.-ketones | Ulf H. Dolling | 1991-10-29 |
| 5061803 | Process for making 17-beta alkanoyl 3-oxo-4-aza-5-.alpha.-androst-1-enes | — | 1991-10-29 |
| 4909583 | Method and apparatus for preserving modes in fiber optic connections requiring angular translation | Robert H. Buckley | 1990-03-20 |
| 4771472 | Method and apparatus for improving voice intelligibility in high noise environments | Donald P. Warther, Robert C. Lawson | 1988-09-13 |