Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4193101 | Collet loading apparatus | John Albert Carlson, David L. Sippel | 1980-03-11 |
| 4193102 | Disk file machine with cable connection to transducers | Wallace E. Beuch, George J. O'Konski, Thomas A. Wytaski | 1980-03-11 |