Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Thomas P. DeFranco — 2 Patents

ZEZenith Electronics: 1 patents #208 of 411Top 55%
ZRZenith Radio: 1 patents #81 of 184Top 45%
Norridge, IL: #30 of 79 inventorsTop 40%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Thomas P. DeFranco has been granted 2 US patents while listed as an inventor at Zenith Electronics. The first was granted in 1981 and the most recent in December 1987. Thomas P. DeFranco ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Thomas P. DeFranco in Norridge, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4710669 Internal electrical connector for a tension mask tube Alfred Adamski, Lawrence W. Dougherty 1987-12-01 $713,000
4299016 Cathode ray tube neck cleansing-scavenging means and method Armando V. Marino 1981-11-10 $397,000