Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5495521 | Method and means for preventing fraudulent use of telephone network | — | 1996-02-27 |
| 4649061 | Method of apparatus for depositing oxide-cathode precursor material on a cathode substrate by air spraying | — | 1987-03-10 |
| 4400233 | System and method for controlling an etch line | Kenneth D. Powell | 1983-08-23 |