Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112671 | Tile product having multiple levels of height, multiple levels of gloss and mortar-line surround | Ivan Diamond, James J. Lawson, Walter J. Lewicki, Jr. | 1992-05-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112671 | Tile product having multiple levels of height, multiple levels of gloss and mortar-line surround | Ivan Diamond, James J. Lawson, Walter J. Lewicki, Jr. | 1992-05-12 |