Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351883 | Compositions for treating aluminum surfaces for tarnish resistance | Paul J. Kress, John Powers, III | 1982-09-28 |
| 4341878 | Compositions for treating aluminum surfaces for tarnish resistance | Paul J. Kress, John Powers, III | 1982-07-27 |