Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373235 | System and method using portable wall engaging ferromagnetic particle impregnated target medium for electromagnetically measuring distance between oposing walls of a structure | William G. Clark, Jr., Francis X. Gradich, Lee W. Burtner | 1994-12-13 |