Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470940 | Method for the manufacture of capacitive electronic discs | — | 1984-09-11 |
| 4316778 | Method for the manufacture of recording substrates for capacitance electronic discs | — | 1982-02-23 |
| 4305791 | Method for the manufacture of capacitive electronic discs | — | 1981-12-15 |
| 4259166 | Shield for plating substrate | — | 1981-03-31 |