Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8412611 | Stock purchase indices | Douglas F. Schumann | 2013-04-02 |
| 8412612 | Stock purchase indices | Douglas F. Schumann | 2013-04-02 |
| 8180696 | Stock purchase indices | Douglas F. Schumann | 2012-05-15 |
| 7882005 | Stock purchase indices | Douglas F. Schumann | 2011-02-01 |
| 7856391 | Stock purchase indices | Douglas F. Schumann | 2010-12-21 |
| 6901383 | Stock purchase indices | Douglas F. Schumann | 2005-05-31 |