Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357103 | Electrographic apparatus and method featuring compressed-field, magnetic brush development | — | 1982-11-02 |
| 4347298 | Electrographic development apparatus and method for use with partially-conductive developer | Frank A. Shuster | 1982-08-31 |