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

SPSperry: 1 patents #355 of 841Top 45%
Eagan, MN: #564 of 891 inventorsTop 65%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert E. Barta has been granted 1 US patent while listed as an inventor at Sperry. All of these patents were granted in 1987. Robert E. Barta ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert E. Barta in Eagan, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4660061 Intermediate normal metal layers in superconducting circuitry Mark Sweeny, Meir Gershenson, David L. Fleming 1987-04-21 $32,725,000