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USPTO Patent Rankings Data through Dec 31, 2025
DH

David C. Hahn — 1 Patent in 2016

MEMainstream Engineering: 1 patents #7 of 15Top 50%
Overall (2016): #427,315 of 481,213Top 90%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9417005 Retrofit device and method to improve humidity control of vapor compression cooling systems Robert Paul Roth, Robert P. Scaringe 2016-08-16