Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9385351 | Modular and portable battery pack power system | Robert Emmett Workman, Norman L. Krantz, Walker Ford | 2016-07-05 |
| 9362766 | Reconfigurable energy storage and power supply device | Robert Emmett Workman, Norman L. Krantz, Erik Robert Workman, Walker Ford | 2016-06-07 |
| 9312706 | Reconfigurable energy storage and power supply device | Robert Emmett Workman, Norman L. Krantz, Erik Robert Workman, Walker Ford | 2016-04-12 |
| 9024570 | Charging device | Robert Emmett Workman, Norm Krantz, Walker Ford | 2015-05-05 |
| D716726 | Energy storage and power supply device | Robert Emmett Workman, Norm Krantz, Walker Ford | 2014-11-04 |
| D697028 | Energy storage and power supply device | Robert Emmett Workman, Erik Robert Workman, Norm Krantz, Walker Ford | 2014-01-07 |
| D693765 | Accessory for an energy storage and power supply device | Robert Emmett Workman, Erik Robert Workman, Norm Krantz, Walker Ford | 2013-11-19 |
| D670244 | Energy storage and power supply device | Robert Emmett Workman, Erik Robert Workman, Norm Krantz, Walker Ford | 2012-11-06 |
| D651564 | Portable battery charger | Robert Emmett Workman, Norm Krantz | 2012-01-03 |