Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1095765 | Cover for an air tank filler valve | — | 2025-09-30 |
| 4681468 | Thermal printing apparatus | Fredrik L. N. Kallin | 1987-07-21 |
| 4648591 | Apparatus for pocketing documents in vertically aligned pockets | Miroslav S. Osmera, Anton Bella, Fredrik L. N. Kallin | 1987-03-10 |
| 4544074 | Tapered and flanged rubber stopper | — | 1985-10-01 |
| 4431322 | Multiple path recording means | Robert B. Nally, Lawrence R. Williamson, Trevor A. Calnek | 1984-02-14 |