Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659862 | Developer roll for electrophotographic copiers and printers, and process for manufacturing it by powder coating | John F. Coburn, Robert G. Schmidt | 1997-08-19 |
| 5354582 | Method for utilizing toner fines as an electrostatic spray coating material | — | 1994-10-11 |
| 5075369 | Double crosslinked barrier coating | — | 1991-12-24 |
| 4927801 | Double crosslinked barrier coating | — | 1990-05-22 |