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USPTO Patent Rankings Data through Dec 31, 2025
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William Rezac — 1 Patent

SDSquare D: 1 patents #408 of 756Top 55%
Cedar Rapids, IA: #848 of 1,358 inventorsTop 65%
Iowa: #8,818 of 15,303 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
William Rezac has been granted 1 US patent while listed as an inventor at Square D. All of these patents were granted in 1999. William Rezac ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William Rezac in Cedar Rapids, IA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5886860 Circuit breakers with PTC (Positive Temperature Coefficient resistivity William W. Chen, Colin Cornhill, Andy A. Haun, Gary W. Scott, Manzoor Ali +1 more 1999-03-23