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

David J. Franta

3M: 3 patents #4,214 of 11,543Top 40%
Tustin, CA: #433 of 1,327 inventorsTop 35%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,574,796 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7507376 Integrated sample processing devices Joel R. Dufresne, Christopher R. Kokaisel, Scott M. Lecy 2009-03-24
D492792 Sample processing device Christopher R. Kokaisel, Scott M. Lecy 2004-07-06
5997818 Cassette for tonometric calibration Thomas G. Hacker 1999-12-07