Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534082 | Composition and process for treating metal | Shawn E. Dolan, Lester Steinbrecher | 1996-07-09 |
| 4762638 | Alkaline cleaner for aluminum | Stanley L. Blaszczyk | 1988-08-09 |
| 4668305 | Method for the production of chromium phosphate coatings | Mark W. McMillen | 1987-05-26 |
| 4668421 | Non-fluoride acid compositions for cleaning aluminum surfaces | — | 1987-05-26 |
| 4435223 | Non-fluoride acid compositions for cleaning aluminum surfaces | — | 1984-03-06 |
| 4370173 | Composition and method for acid cleaning of aluminum surfaces | — | 1983-01-25 |
| 4191596 | Method and compositions for coating aluminum | Timothy J. O'Grady | 1980-03-04 |