Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182133 | Mixing blade assembly with reversible scrapers and method | Herman H. Hockmeyer, Barry W. Cullens | 2012-05-22 |
| 7914200 | Mixing blade assembly with trailing scrapers and method | Herman H. Hockmeyer | 2011-03-29 |