Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963869 | Chromatic architecture for sports equipment | Clancy Gerald Boyer, Richard Avis, Karl Citek | 2011-06-21 |
| 7950803 | Perspective vision tunnel | Herb Yoo, Ryan C. Coulter, Christian Freissler, Dave R. Knaub, Meral Middleton +4 more | 2011-05-31 |
| 7942525 | Contrast sensitivity testing and/or training using circular contrast zones | Graham B. Erickson, Herb Yoo | 2011-05-17 |
| 7926943 | Peripheral vision training and/or testing during central vision fixation | Herb Yoo | 2011-04-19 |
| 7850303 | Optically decentered face shield | Karl Citek | 2010-12-14 |
| 7828434 | Zone switched sports training eyewear | Ryan C. Coulter, Michael Collier, Phil Frank, Karl Citek | 2010-11-09 |
| 7814577 | Spectrally balanced protective facemasks | Christopher Page, Karl Citek | 2010-10-19 |
| 7551360 | Inclined-edge sports lens | Karl Citek | 2009-06-23 |
| 7475435 | Swim goggles | Dylan S. Van Atta, Karl Citek, Robert M. Bruce | 2009-01-13 |
| 7403346 | Inclined-edged sports lens | Karl Citek | 2008-07-22 |
| 7389543 | Optically decentered face shield | Karl Citek | 2008-06-24 |
| 7370374 | Ventilated safety goggles | Frank Penque, Wayne P. Phillips, Karl Citek | 2008-05-13 |
| 7073208 | Ventilated safety goggles | Frank Penque, Wayne P. Phillips, Karl Citek | 2006-07-11 |
| 6893127 | Activity-specific optical filters and eyewear using such filters | Karl Citek, Robert L. Yolton | 2005-05-17 |
| 6755525 | Decentered protective eyewear | Karl Citek | 2004-06-29 |
| 6631987 | Activity-specific optical filters and eyewear using such filters | Karl Citek, Robert L. Yolton | 2003-10-14 |
| 6129435 | Decentered protective eyewear | Karl Citek | 2000-10-10 |