Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157844 | Precision blind marking and positioning system for locating cutouts in wall openings | Edgar R. Mallison | 1992-10-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157844 | Precision blind marking and positioning system for locating cutouts in wall openings | Edgar R. Mallison | 1992-10-27 |