Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853493 | Electrographic apparatus | Philip A. Schlosser | 1989-08-01 |
| 4707572 | Tracer for electrographic surfaces | Philip A. Schlosser | 1987-11-17 |
| 4695680 | Stylus for position responsive apparatus having electrographic application | — | 1987-09-22 |
| 4678869 | Position responsive apparatus, system and method having electrographic application | — | 1987-07-07 |
| 4665283 | Electrographic apparatus | Philip A. Schlosser | 1987-05-12 |
| 4650926 | Electrographic system and method | Shoichiro Nakamura | 1987-03-17 |
| 4649232 | Electrographic apparatus | Shiochiro Nakamura | 1987-03-10 |
| 4600807 | Electrographic apparatus | — | 1986-07-15 |