Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795391 | Means and method of forming aligned apertures in electron guns | Allen P. Blacker | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795391 | Means and method of forming aligned apertures in electron guns | Allen P. Blacker | 1989-01-03 |