Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9582117 | Pressure, rotation and stylus functionality for interactive display screens | John Michael Wyrwas, Evgeni Gousev, Russell Wayne Gruhlke, Khurshid Syed Alam, Jacek Maitan +3 more | 2017-02-28 |
| 7187835 | Mechanisms and methods for selective wavelength filtering | Margaret L. Tuma, Russell Wayne Gruhlke | 2007-03-06 |