Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238739 | Use of calcium carbonate in rigid poly(vinyl chloride) compositions | Roman B. Hawrylko, Michel Levesque | 2007-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238739 | Use of calcium carbonate in rigid poly(vinyl chloride) compositions | Roman B. Hawrylko, Michel Levesque | 2007-07-03 |