Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11036924 | Realtime synchronized document editing by multiple users for blogging | David L. Greenspan, John D. Zamfirescu-Pereira | 2021-06-15 | $75,825,000 |
| 9218102 | Realtime synchronized document editing by multiple users | David L. Greenspan, John D. Zamfirescu-Pereira | 2015-12-22 | $36,501,000 |
| 9135312 | Timeslider | David L. Greenspan, John D. Zamfirescu-Pereira | 2015-09-15 | $14,044,000 |
| 8656290 | Realtime synchronized document editing by multiple users | David L. Greenspan, John D. Zamfirescu-Pereira | 2014-02-18 | $40,303,000 |