Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10130953 | Submicron particle grinding mill | — | 2018-11-20 |
| 9718064 | Submicron grinding mill | — | 2017-08-01 |
| 6158680 | Multi-barrel media mill and method of grinding | — | 2000-12-12 |
| 6000646 | Double barrel media mill for grinding and dispersing particulate matter and pigment for paint, coatings, ink and other fluid pigment vehicles | Bethyl H. Ranne, Bobby C. Ranne | 1999-12-14 |