Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637391 | Powder coated charge roller | John Kim, George Pharris Marshall, Ronald Lloyd Roe, Donald Wayne Stafford | 1997-06-10 |
| 5406356 | Liquid toner imaging with contact charging | Alan Stirling Campbell, Randy L. Fagerquist, Tracy G. Floyd, Brenda Kelly, Ronald Lloyd Roe +1 more | 1995-04-11 |