Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429336 | Disc drive dynamic seal | Normand Berube, Sigmund Hinlein, Thomas D. Wiseley | 1984-01-31 |
| 4387409 | Magnetic head arm mounting apparatus | Sigmund Hinlein | 1983-06-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429336 | Disc drive dynamic seal | Normand Berube, Sigmund Hinlein, Thomas D. Wiseley | 1984-01-31 |
| 4387409 | Magnetic head arm mounting apparatus | Sigmund Hinlein | 1983-06-07 |