Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950243 | Structural shell for protective headgear | William Robert Winters, Ray Fan, William Ostertag | 1999-09-14 |
| 5900539 | Device and method for determining rheological quality of non-newtonian liquids | Bernard Tremblay, Mario De Rocco, Rodney K. Ridley, Kerry Andrew Scott | 1999-05-04 |