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USPTO Patent Rankings Data through Dec 31, 2025
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Mark C. Sitarz — 1 Patent

UNUnknown: 4 patents #4,220 of 83,584Top 6%
Dugald, CA: #6 of 20 inventorsTop 30%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Mark C. Sitarz has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2002. Mark C. Sitarz ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Mark C. Sitarz in Dugald, MB, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6370708 Toilet tank anti-refill device Charles L. Sitarz, Robert L.J. Sitarz, Blaine C. Sitarz, Pam M. Wazney 2002-04-16