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USPTO Patent Rankings Data through Sept 30, 2025
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David Schaefer — 1 Patent in 2017

Sunriver, OR: #1 of 4 inventorsTop 25%
Oregon: #1,786 of 4,319 inventorsTop 45%
Overall (2017): #445,291 of 506,227Top 90%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9643721 Wind energy conversion systems, devices, and methods 2017-05-09