Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873467 | Ion source with particular grid assembly | Harold R. Kaufman | 1989-10-10 |
| 4862032 | End-Hall ion source | Harold R. Kaufman | 1989-08-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873467 | Ion source with particular grid assembly | Harold R. Kaufman | 1989-10-10 |
| 4862032 | End-Hall ion source | Harold R. Kaufman | 1989-08-29 |