Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240521 | Heat treatment for dispersion strengthened aluminum-base alloy | James R. Crum, Robert D. Schelleng, John Weber | 1993-08-31 |
| 4997127 | Electrified livestock controller | — | 1991-03-05 |
| 4482258 | Parking meter with limited visibility pointer | William C. Kiehl | 1984-11-13 |