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USPTO Patent Rankings Data through Sept 30, 2025
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David Schaefer

Sunriver, OR: #2 of 2 inventorsTop 100%
Oregon: #1,685 of 4,132 inventorsTop 45%
Overall (2018): #441,166 of 503,207Top 90%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10005528 Pontoon shields 2018-06-26