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

Roger Edward Libman — 3 Patents

ATAT&T: 3 patents #5,559 of 18,772Top 30%
Naperville, IL: #1,067 of 3,051 inventorsTop 35%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Roger Edward Libman has been granted 3 US patents while listed as an inventor at AT&T. The first was granted in 1997 and the most recent in August 2003. Roger Edward Libman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Roger Edward Libman in Naperville, IL, US.

Patents per Year

Patents granted per year, 1997 to 2003Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19971998: 1 patents19982003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6608814 Session resource manager and method for enhancing visibility and control of a broadband network Stephen Lee Myers, Randall Pitt, David Warren Spears 2003-08-19 $24,826,000
5729545 Control of video dialtone connections 1998-03-17 $29,792,000
5631903 Telecommunications signaling arrangements for terminals without signaling capability Robert Dianda, Suzanne Vondruska, Hsien-Chuen Yu 1997-05-20 $13,608,000