Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D728468 | Battery case for a mobile device | Roman S. Ferber, Hing Wah Tsang, Andrew Steven Juhasz, David W. Riley, Jenna Stephens-Wells | 2015-05-05 |
| D709439 | Battery case for a mobile device | Roman S. Ferber, Hing Wah Tsang, Andrew Steven Juhasz, David W. Riley, Jenna Stephens-Wells | 2014-07-22 |
| 8593108 | Portable charging system | Roman S. Ferber, Jeff Wollenzien, Hing Wah Tsang | 2013-11-26 |
| D674748 | Portable power supply for a mobile device | Roman S. Ferber, Hing Wah Tsang, Paul Daniel Farrugia, Chad Robert Stewart, Andrew Steven Juhasz +1 more | 2013-01-22 |
| 5582421 | Golf cart | — | 1996-12-10 |
| 5395146 | Golf ball pick-up device | Lai Wei | 1995-03-07 |
| 5143399 | Golf cart | — | 1992-09-01 |