Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455486 | Anti-spotting and anti-filming hard surface cleaning formulations and methods | Charles O. Kerobo, Michael C. Welch, Richard J. Holland, Sonia J. Patterson | 2002-09-24 |
| 6440919 | Aqueous based solvent free cleaner compositions containing two nonionic surfactants | Charles O. Kerobo, Michael C. Welch, Sonia J. Patterson | 2002-08-27 |
| 6342474 | Hard surface cleaner containing nonionic surfactants | Charles O. Kerobo, Richard J. Holland, Michael C. Welch, Sonia J. Patterson | 2002-01-29 |