Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D380485 | LCD daylight projector for data and video with integrated PC | — | 1997-07-01 |
| 5017002 | Overhead projector | — | 1991-05-21 |
| 4882599 | Overhead projector | — | 1989-11-21 |
| 4880303 | Overhead projector | — | 1989-11-14 |
| 4829327 | Overhead projector | — | 1989-05-09 |
| 4735500 | Overhead projector | — | 1988-04-05 |
| 4652101 | Overhead projector | — | 1987-03-24 |
| 4565430 | Overhead projector | — | 1986-01-21 |
| 4229829 | Apparatus for wireless transmission of a teaching program in a classroom | — | 1980-10-21 |