Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876712 | Programmable telephone amplifier circuit interface | Gary T. Brint, Gabriele Bungardt, Jerel C. Gedecke, Vladimir Kraz | 1989-10-24 |
| 4840800 | Soybean fiber in insect rearing media | — | 1989-06-20 |