Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410926 | Coating with optical taggent | Calum H. Munro, Michael White, Ralph C. Gray, Gregory J. McCollum | 2002-06-25 |
| 6187849 | Temporary protective coating | Richard M. Nugent, Jr., Dennis W. Jones, Ralph C. Gray | 2001-02-13 |
| 5858282 | Aqueous amine fluoride neutralizing composition for metal pretreatments containing organic resin and method | Jerome A. Seiner | 1999-01-12 |
| 5306526 | Method of treating nonferrous metal surfaces by means of an acid activating agent and an organophosphate or organophosphonate and substrates treated by such method | Ralph C. Gray, Charles F. Kahle, II, Paul J. Pruchal | 1994-04-26 |
| 5294265 | Non-chrome passivation for metal substrates | Ralph C. Gray, Paul J. Prucnal, Christopher J. Baldy | 1994-03-15 |