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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Roy DeFrain — 1 Patent

ATAT&T: 1 patents #10,636 of 18,772Top 60%
Pickerington, OH: #107 of 192 inventorsTop 60%
Ohio: #42,926 of 73,341 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Roy DeFrain has been granted 1 US patent while listed as an inventor at AT&T. All of these patents were granted in 2009. Roy DeFrain ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Roy DeFrain in Pickerington, OH, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7609823 High capacity advanced 8YY mass calling event network architecture Todd R. Bermudez, James Caldwell, Danny Chism, Andrew Grigg, Kirk Warrenburg +1 more 2009-10-27 $47,251,000