Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8533105 | Order centric tracking system and protocol for communications with handheld trading units | Andrew F. Silverman, David W. Ngai | 2013-09-10 |
| 8090645 | Order centric tracking system and protocol for communications with handheld trading units | Andrew F. Silverman, David W. Ngai | 2012-01-03 |
| 7610239 | Order centric tracking system and protocol for communications with handheld trading units | Andrew F. Silverman, David W. Ngai | 2009-10-27 |
| 7107240 | Order centric tracking system and protocol for communications with handheld trading units | Andrew F. Silverman, David W. Ngai | 2006-09-12 |
| 6625583 | Handheld trading system interface | Andrew F. Silverman, David W. Ngai | 2003-09-23 |
| 6505175 | Order centric tracking system | Andrew F. Silverman, David W. Ngai | 2003-01-07 |