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USPTO Patent Rankings Data through Dec 31, 2025
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David Peter Campbell — 2 Patents

RTRaf Technology: 2 patents #9 of 16Top 60%
Redmond, WA: #4,371 of 8,547 inventorsTop 55%
Washington: #35,700 of 76,902 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Peter Campbell has been granted 2 US patents while listed as an inventor at Raf Technology. The first was granted in 2013 and the most recent in June 2015. David Peter Campbell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Peter Campbell in Redmond, WA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9058543 Defined data patterns for object handling David Justin Ross, Brian J. Elmenhurst, Kevin Saur, Richard Clark Teudt 2015-06-16
8526743 Defined data patterns for object handling David Justin Ross, Brian J. Elmenhurst, Kevin Saur, Richard Clark Teudt 2013-09-03