Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412463 | Finger guide with orthogonal guide surfaces | Alastair Sibbald, Michael Jackson, Elaine Jackson | 1995-05-02 |
| 5042956 | Recording drum assemblies | — | 1991-08-27 |
| 4978200 | Optical image rotators | — | 1990-12-18 |
| 4344590 | Torque limiting device | — | 1982-08-17 |