Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915782 | Aluminum lithium etchant | Walter Lindner, Elias Malakelis | 1990-04-10 |
| 4601780 | Process of recovering aluminum etchant | Walter Lindner | 1986-07-22 |
| 4592854 | Steel etchant | Walter Lindner | 1986-06-03 |
| 4540465 | Process for continuous recovery of nitric acid/hydrofluoric acid titanium etchant | Walter Lindner | 1985-09-10 |
| 4383042 | Process for detecting soft spots in aluminum | Eugene R. Fannin, John Gumbelevicius | 1983-05-10 |