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

Sandra C. Lenhart

ATAT&T: 2 patents #7,280 of 18,772Top 40%
Dripping Springs, TX: #77 of 178 inventorsTop 45%
Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,082,069 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8599718 Methods and apparatus to provide enhanced 911 (E911) services for nomadic users Leonardo Velazquez, Sudha Gopal, Stephen Rys 2013-12-03
8064875 Methods and apparatus to update geographic location information associated with internet protocol devices for E-911 emergency services Leonardo Velazquez, Sudha Gopal, Adam Klein, Stephen Rys 2011-11-22