Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9855561 | Apparatus for breaking up clumps of granular material in a storage bin | Robert P. Stahl | 2018-01-02 |
| 8920100 | Apparatus for breaking up clumps of granular material in a storage bin | Robert P. Stahl | 2014-12-30 |