Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692352 | Grain storage tank covers | Edwin Milton Gerber, Chad A. Dow, Mark Charles DePoorter, Garrick W. Herbst, Lawrence Begyn | 2004-02-17 |
| 6206779 | Grain tank extension | Edwin Milton Gerber, Todd N. Signer, Mark Charles DePoorter, Darryl Cain, Bruno Dauenhauer | 2001-03-27 |