Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655186 | Light blocking ion charging apparatus | Ronald E. Godlove, Richard F. Bergen | 1997-08-05 |
| 5617129 | Ionographic printing with a focused ion stream controllable in two dimensions | Joseph A. Chizuk, Jr., Richard F. Bergen | 1997-04-01 |