Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045886 | Device for improving mixing in a magnetic brush development apparatus | Richard A. Weitzel, Susan P. Westbrook | 1991-09-03 |
| 5005516 | Device for aiding in measuring pigmented marking particle level in a magnetic brush development apparatus | — | 1991-04-09 |
| 4999675 | Magnetic brush development apparatus including a self-adjustable take-off skive | Susan P. Westbrook | 1991-03-12 |