Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5941258 | Long reach, cable-suspended cleaning apparatus for building disposal chutes and method | Robert G. Johnston, Jr. | 1999-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5941258 | Long reach, cable-suspended cleaning apparatus for building disposal chutes and method | Robert G. Johnston, Jr. | 1999-08-24 |