Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8999507 | Method for applying and curing by UV radiation a sealant system onto natural stone tiles to provide permanent sealing, protection, abrasion resistance, stain and mold resistance, and natural stone tiles produced by the method | David Pelletier, Roger Questel, Larry Wasowski | 2015-04-07 |
| 8323749 | Method for applying and curing by UV radiation a sealant system onto natural stone tiles to provide permanent sealing, protection, abrasion resistance, stain and mold resistance | Roger Questel, Larry Wasowski, David Pelletier | 2012-12-04 |