Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Brett Callaghan — 1 Patent

MEMellmo: 1 patents #10 of 12Top 85%
San Diego, CA: #15,804 of 23,606 inventorsTop 70%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Brett Callaghan has been granted 1 US patent while listed as an inventor at Mellmo. All of these patents were granted in 2012. Brett Callaghan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Brett Callaghan in San Diego, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8228330 System and method for displaying bar charts with a fixed magnification area Quinton Alsbury, David Becerra, Claire B. Remillard 2012-07-24