Patent US 4804885A
Jump to navigation
Jump to search
| Patent number | US 4804885A |
|---|---|
| Title | X-ray attenuating ceramic materials |
| Inventors | Ronald O. Petersen, James L. McAlpin |
| Company | Tektronix Inc |
| Filing date | 1984-08-20 |
| Grant date | 1989-02-14 |
| Cites |