Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342130 | Travelling suction cleaning apparatus | Amos S. Clark, Jr., Michael D. Walker | 1982-08-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342130 | Travelling suction cleaning apparatus | Amos S. Clark, Jr., Michael D. Walker | 1982-08-03 |