Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9979215 | Portable energy storage and power supply system | Robert Emmett Workman, Norman L. Krantz, Fred Lillywhite, Keyvan Vasefi, Walker Ford +2 more | 2018-05-22 |
| 9923393 | Energy storage and power supply system | Robert Emmett Workman, Norman L. Krantz, Henry J. Howell, Fred Lillywhite, Walker Ford +3 more | 2018-03-20 |
| 9857048 | Portable lighting device | Robert Emmett Workman, Norman L. Krantz, Fred Lillywhite | 2018-01-02 |