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

Robert A. Hirschfeld

Rollingwood, TX: #1 of 1 inventorsTop 100%
Texas: #3,688 of 11,512 inventorsTop 35%
Overall (2011): #181,406 of 364,097Top 50%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8009013 Access control system and method using user location information for controlling access to a restricted area Michael K. Cation 2011-08-30