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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Enfield — 1 Patent

Ncr: 1 patents #2,370 of 3,019Top 80%
Phoenix, AZ: #3,681 of 6,660 inventorsTop 60%
Arizona: #18,529 of 32,909 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert E. Enfield has been granted 1 US patent while listed as an inventor at Ncr. All of these patents were granted in 1980. Robert E. Enfield ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert E. Enfield in Phoenix, AZ, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4194113 Method and apparatus for isolating faults in a logic circuit Robert G. Fulks, Eric Sacher 1980-03-18 $2,001,000