Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DC

David A. Carson — 1 Patent in 2019

Apple: 1 patents #2,084 of 4,359Top 50%
San Francisco, CA: #2,639 of 6,446 inventorsTop 45%
California: #27,528 of 67,890 inventorsTop 45%
Overall (2019): #499,629 of 560,194Top 90%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10185542 Device, method, and graphical user interface for enabling conversation persistence across two or more instances of a digital assistant Daniel S. Keen, Evan S. Dibiase, Harry J. Saddler, Marco Iacono, Stephen O. Lemay +2 more 2019-01-22