Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821425 | Cylindrical surface profile and diameter measuring tool and method | Ralph R. Kissel, Charles E. Oliver, Earnest C. Smith, John W. Redmon, Jr., Charles C. Wallace +1 more | 1989-04-18 |