Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926558 | Method and apparatus for monitoring and inspecting rotary knives | Albert R. Zelt, III, Robert M. Klawonn | 1999-07-20 |
| 5857031 | Method and apparatus for monitoring and inspecting strip edge | Albert R. Zelt, III, Robert M. Klawonn | 1999-01-05 |
| 5768154 | Method and apparatus for measuring the width of metal strip | Albert R. Zelt, III | 1998-06-16 |
| 4819168 | Train control having improved wheel wear adjustment for more accurate train operation | — | 1989-04-04 |