Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866276 | Method and apparatus for nondestructive analysis of subsurface features of material | William M. Leavens, Ronald C. Zentner | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866276 | Method and apparatus for nondestructive analysis of subsurface features of material | William M. Leavens, Ronald C. Zentner | 1989-09-12 |