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

Patrick D. Stevens — 1 Patent

SSSylvan Learning Systems: 1 patents #4 of 6Top 70%
Baltimore, MD: #2,553 of 4,923 inventorsTop 55%
Maryland: #19,590 of 35,612 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Patrick D. Stevens has been granted 1 US patent while listed as an inventor at Sylvan Learning Systems. All of these patents were granted in 1999. Patrick D. Stevens ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Patrick D. Stevens in Baltimore, MD, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5915973 System for administration of remotely-proctored, secure examinations and methods therefor Rudolph Christopher Hoehn-Saric, Christopher Nguyen 1999-06-29 $19,699,000