Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843324 | Apparatus for determining the location and distance to a concealed conductive structure | Thomas G. Humphreys, Jr., Michael D. Ryan | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843324 | Apparatus for determining the location and distance to a concealed conductive structure | Thomas G. Humphreys, Jr., Michael D. Ryan | 1989-06-27 |