Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8256309 | Apparatus and method for detecting breaks in screens | Robert A. Lunnemann, Joachim M. Zaun | 2012-09-04 |
| 5271504 | Sifter and method of sifting | Eduard X. J. Janssens | 1993-12-21 |