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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen J. Bartz — 2 Patents

INIntevac: 2 patents #32 of 113Top 30%
Rue de l'Église, CA: #222 of 378 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Stephen J. Bartz has been granted 2 US patents while listed as an inventor at Intevac. All of these patents were granted in 1994. Stephen J. Bartz ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Stephen J. Bartz in Rue de l'Église, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5369267 Microchannel image intensifier tube with novel sealing feature David B. Johnson, Allan W. Scott 1994-11-29
5326978 Focused electron-bombarded detector Verle W. Aebi, Ross A. LaRue, Kenneth Costello 1994-07-05