Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862668 | Spacers made of foamed polymeric material and method of using same in laying tile | — | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862668 | Spacers made of foamed polymeric material and method of using same in laying tile | — | 1989-09-05 |