Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralph E. Alexander — 1 Patent

GIGeneral Instrument: 1 patents #417 of 950Top 45%
Philadelphia, PA: #2,577 of 4,834 inventorsTop 55%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ralph E. Alexander has been granted 1 US patent while listed as an inventor at General Instrument. All of these patents were granted in 2010. Ralph E. Alexander ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ralph E. Alexander in Philadelphia, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7808340 Plug-in device for signal correction Joseph M. Colussi, Jospeh Hill, Jr., Christopher Jeblonski, Walter R. Sharp 2010-10-05