Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647685 | Spacing device for placement of tile | Robert Grzybowski, John F. Dumelle | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647685 | Spacing device for placement of tile | Robert Grzybowski, John F. Dumelle | 2003-11-18 |