Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100610 | Tube plug inspection system | William E. Pirl, Annette M. Costlow, Charles H. Roth, Jr., Francis X. Gradich, David A. Chizmar | 1992-03-31 |
| 5046289 | System and method for cleaning the inner surface of tubular members | Thomas G. Bengel, Phillip E. Miller, Frank I. Bauer, James Sejvar | 1991-09-10 |