Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358121 | Method and apparatus for heavy material separation | Virgil P. Butrum | 1994-10-25 |
| 4784603 | Process for removing volatiles from metal | Donald C. Evans, Everett M. Ramsey | 1988-11-15 |
| 4702324 | Control system for positioning and operating a pneumatic percussion tool | Dale R. Peinecke, Robert A. Dubs | 1987-10-27 |
| 4601750 | Scrap melting system | Everett M. Ramsey, Gary A. Beil, Bruce A. Gray | 1986-07-22 |