Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287663 | Ferrous metal magnetite coating processes and reagents | William V. Block | 2012-10-16 |
| 7964044 | Ferrous metal magnetite coating processes and reagents | William V. Block | 2011-06-21 |
| 7625439 | Bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron | William V. Block | 2009-12-01 |
| 7481872 | Process for making bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron | William V. Block | 2009-01-27 |
| 7144599 | Hybrid metal oxide/organometallic conversion coating for ferrous metals | William V. Block | 2006-12-05 |
| 6899956 | Metal coloring process and solutions therefor | William V. Block | 2005-05-31 |