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USPTO Patent Rankings Data through Dec 31, 2025
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David Walker — 1 Patent in 2023

Overall (2023): #467,793 of 537,848Top 90%
1 Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11692736 Air conditioner shut-off system and method to prevent drainage overflow 2023-07-04