Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D375087 | Combined personal computer mouse and digitizing stylus device for use with a drawing board accessory | Rolf Falkenberg | 1996-10-29 |
| 5132849 | Illuminated cursor magnifying glass | — | 1992-07-21 |
| 5021933 | Illuminated magnifying glass | — | 1991-06-04 |
| 4693554 | Sensor magnifying glass apparatus | — | 1987-09-15 |
| 4295146 | Device for moving automatic drawing machine tools | — | 1981-10-13 |