Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378837 | Reusable concrete support frame | — | 2002-04-30 |
| 6058688 | Windrower specialty crop platform having right- and left-hand cantilevered augers located beneath a full-length center-feed auger | Frederick Carl Krambeck | 2000-05-09 |
| 5778644 | Crop harvesting platform having a reversible drive for the reel, cutterbar center-feed augers and conditioner rolls | David Henry Diebold, Steven L. Schmid, Stanley P. Wellman, Frederick Carl Krambeck, Thomas D. Bebernes | 1998-07-14 |
| 5681117 | Retainer for reel toothbar bearing | Stanley P. Wellman | 1997-10-28 |