Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10515145 | Parameterizing and working with math equations in a spreadsheet application | John Campbell, Catherine Harley | 2019-12-24 |
| 10503824 | Video on charts | John Campbell, Jim Sun, Samuel C. Radakovitz, Matthew Hart Fichtner | 2019-12-10 |
| 10445422 | Identification of sets and manipulation of set data in productivity applications | Christopher John Gross, Joseph John McDaid, Johnny Campbell | 2019-10-15 |
| 10366157 | Images on charts | John Campbell, Jim Sun, Samuel C. Radakovitz, Matthew Hart Fichtner | 2019-07-30 |