Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1002951 | Safety vest with light tubes | Brian Sheehy | 2023-10-24 |
| D1000715 | Lighted hard hat | Brian Sheehy, David D. Lewin | 2023-10-03 |
| D999997 | Safety vest | Brian Sheehy | 2023-09-26 |
| D999455 | Lighted helmet | Brian Sheehy, David D. Lewin | 2023-09-19 |
| 11746998 | Light device and support device | Brian Sheehy, David Goldman, Paul Wood | 2023-09-05 |
| 11746999 | Headlamp with battery unit and booster unit | Brian Sheehy, David Goldman, David D. Lewin | 2023-09-05 |
| 11698563 | Cholesteric liquid crystal writing device with stylus erase | Nathan Hirt, Bryan Owen, Clinton Braganza, Hunter Morris | 2023-07-11 |
| 11609470 | Writing device including cholesteric liquid crystal and having sectional erase | Don Davis, Duane Marhefka, Nathan Hirt, Anthony Daniels, Clinton Braganza | 2023-03-21 |
| D977723 | Safety vest with back light | Brian Sheehy | 2023-02-07 |
| 11363843 | Safety vest with light tubes | Brian Sheehy | 2022-06-21 |
| 11297886 | Safety vest with flange light | Brian Sheehy | 2022-04-12 |
| 11262635 | Magnet erased eWriter | Anthony Daniels, Nathan Hirt | 2022-03-01 |
| 8334961 | Electrooptical display with electrical crossover | Erica Montbach, Mark Lightfoot | 2012-12-18 |
| 7675239 | Power management method and device for low-power displays | Duane Marhefka, Xiao-Yang Huang | 2010-03-09 |
| 7158847 | System and method for determining components of a blended plastic material | Alan Ernst | 2007-01-02 |
| 7023409 | Drive schemes for gray scale bistable cholesteric reflective displays utilizing variable frequency pulses | Chris Blackson, Xiao-Yang Huang | 2006-04-04 |