Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848165 | Smear sampling apparatus | Benjamin M. Bartilson, Kenneth D. Kok | 1989-07-18 |
| 4843884 | Method and system for ultrasonic detection of flaws in test objects | Larry J. House, James F. Mank, William J. Williams, Donald T. Hayford | 1989-07-04 |