Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853617 | Apparatus having capacitive sensor and metal detector for detecting objects concealed behind surfaces | Keith Douglas | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853617 | Apparatus having capacitive sensor and metal detector for detecting objects concealed behind surfaces | Keith Douglas | 1989-08-01 |