Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373197 | High voltage dual output laboratory power supply | James F. Ptacek, Karmon D. Almquist, John L. Aker | 1994-12-13 |
| 4454028 | Can sorting method and apparatus | John L. Aker | 1984-06-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373197 | High voltage dual output laboratory power supply | James F. Ptacek, Karmon D. Almquist, John L. Aker | 1994-12-13 |
| 4454028 | Can sorting method and apparatus | John L. Aker | 1984-06-12 |