Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Anna E. Hagstrom — 3 Patents

ILInterval Licensing: 1 patents #33 of 55Top 60%
VPVulcan Patents: 1 patents #53 of 85Top 65%
Menlo Park, CA: #1,793 of 3,774 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Anna E. Hagstrom has been granted 3 US patents while listed as an inventor at Interval Licensing. The first was granted in 2005 and the most recent in April 2014. Anna E. Hagstrom ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Anna E. Hagstrom in Menlo Park, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8704668 System for monitoring and alerting based on animal behavior in designated environments Trevor Darrell 2014-04-22
8509137 Method and apparatus for sending presence messages Debby Hindus, Elaine Brechin, Jesse Dorogusker, Scott Mainwaring, Oliver T. Bayley +6 more 2013-08-13
6956497 Method and apparatus for sending presence messages Debby Hindus, Elaine Brechin, Jesse Dorogusker, Scott Mainwaring, Oliver T. Bayley +6 more 2005-10-18