Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581935 | Method and apparatus for grading fibers | — | 1986-04-15 |
| 4310906 | Liquid-immersible electrostatic ultrasonic transducer | John H. Cantrell, Joseph S. Heyman, William T. Yost, Michael A. Torbett | 1982-01-12 |