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USPTO Patent Rankings Data through Dec 31, 2025
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Clifford E. Pifer — 1 Patent

BRBrazeway: 1 patents #19 of 24Top 80%
Adrian, MI: #106 of 185 inventorsTop 60%
Michigan: #50,030 of 86,293 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Clifford E. Pifer has been granted 1 US patent while listed as an inventor at Brazeway. All of these patents were granted in 1981. Clifford E. Pifer ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Clifford E. Pifer in Adrian, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4253224 Fixtureless method of making tube joints Stephen L. Hickman 1981-03-03