Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8881482 | Modular flooring system | Ronald N. Cerny, Dana Hedquist | 2014-11-11 |
| 8683769 | Modular sub-flooring system | Ronald N. Cerny, Dana Hedquist | 2014-04-01 |
| 8505256 | Synthetic floor tile having partially-compliant support structure | Ronald N. Cerny, Dana Hedquist, Michael Buerger | 2013-08-13 |
| 6606918 | Multi-axial strain testing apparatus | Michael Carroll, Neal G. Sehm | 2003-08-19 |
| 6025428 | Rubber composition and method of incorporating silica filler | — | 2000-02-15 |
| 4513123 | Sulfur-curable rubber skim stock compositions containing dithiodipropionic acid | James Robertson | 1985-04-23 |