Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334756 | Self-contained disposable developer/absorber package | Edward Thies | 1982-06-15 |
| 4333752 | Adsorbent cartridge for the exhaust of diazo process machines | Edward Thies | 1982-06-08 |