Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349902 | Piezoelectric transducer for recording video information | Gerard A. Alphonse, John H. Reisner, Karl-Friedrich Etzold | 1982-09-14 |
| 4336236 | Double precipitation reaction for the formation of high purity basic lead carbonate and high purity normal lead carbonate | Michael A. Kolakowski | 1982-06-22 |
| 4189746 | Method and apparatus for determining focus conditions | — | 1980-02-19 |