Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968318 | Computer method and system for intermediated exchanges | Robert A. Ferstenberg, Mauricio Karchmer | 2005-11-22 |
| 5873071 | Computer method and system for intermediated exchange of commodities | Robert A. Ferstenberg, Mauricio Karchmer | 1999-02-16 |