Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525249 | Two step electro chemical and chemical etch process for high volt aluminum anode foil | — | 1985-06-25 |
| 4518471 | Two step electrochemical etch process for high volt aluminum anode foil | — | 1985-05-21 |
| RE31743 | AC Etching of aluminum capacitor foil | John J. Randall, Jr. | 1984-11-20 |
| 4474657 | Single step electro chemical etch process for high volt aluminum anode foil | — | 1984-10-02 |
| 4381231 | DC Etching of aluminum electrolytic capacitor foil | — | 1983-04-26 |
| 4376686 | AC Etching of aluminum capacitor foil | — | 1983-03-15 |
| 4332651 | AC Etching of aluminum capacitor foil | Richard A. Bemis, Clinton E. Hutchins, Edward J. Markland | 1982-06-01 |
| 4332652 | AC Etching of aluminum capacitor foil | Edward J. Paquette, Allan B. McPherson | 1982-06-01 |