Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Tom Tewalt — 2 Patents

DIDigimarc: 2 patents #104 of 189Top 60%
Oregon City, OR: #91 of 258 inventorsTop 40%
Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #1,989,752 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9753115 Systems and methods for locating a mobile device within a cellular system Geoffrey B. Rhoads, Hugh L. Brunk, Tyler J. McKinley 2017-09-05
8421675 Systems and methods for locating a mobile device within a cellular system Geoffrey B. Rhoads, Hugh L. Brunk, Tyler J. McKinley 2013-04-16