Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373197 | High voltage dual output laboratory power supply | James F. Ptacek, Karmon D. Almquist, Robert R. Vetter | 1994-12-13 |
| 4454028 | Can sorting method and apparatus | Robert R. Vetter | 1984-06-12 |
| 4401035 | Control device for multiple unit locomotive systems | Rudolph D. Spigarelli, Fred M. Berry | 1983-08-30 |
| 4236140 | Traffic radar device | William D. Goodson | 1980-11-25 |