Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JR

Jon Robertus — 2 Patents

RFResearch Development Foundation: 1 patents #152 of 362Top 45%
Austin, TX: #9,327 of 18,064 inventorsTop 55%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Jon Robertus has been granted 2 US patents while listed as an inventor at Research Development Foundation. The first was granted in 2001 and the most recent in May 2003. Jon Robertus ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Jon Robertus in Austin, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6562969 Ricin inhibitors and methods for use thereof Sean M. Kerwin, Xinjian Yan 2003-05-13
6177280 Ricin inhibitors and methods for use thereof Xinjian Yan, Sean M. Kerwin 2001-01-23