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USPTO Patent Rankings Data through Sept 30, 2025
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Dennis C. Brittingham

PHPhysio-Control: 4 patents #98 of 303Top 35%
Seattle, WA: #6,841 of 21,776 inventorsTop 35%
Washington: #23,018 of 76,902 inventorsTop 30%
Overall (All Time): #1,294,860 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5350317 Battery pack Robert J. Weaver, Joseph Charles Basta, John C. Daynes 1994-09-27
D349483 Battery pack for use with a medical instrument Robert J. Weaver, John C. Daynes, Rodney J. Merry 1994-08-09
D342788 Defibrillator Robert J. Weaver, John C. Daynes, Rodney J. Merry 1993-12-28
5224870 Battery pack Robert J. Weaver, Joseph Charles Basta 1993-07-06