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USPTO Patent Rankings Data through Dec 31, 2025
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Harmon P. Vaughter — 4 Patents

ZEZenith Electronics: 4 patents #84 of 411Top 25%
Evanston, IL: #458 of 1,719 inventorsTop 30%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Harmon P. Vaughter has been granted 4 US patents while listed as an inventor at Zenith Electronics. The first was granted in 1985 and the most recent in October 1991. Harmon P. Vaughter ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Harmon P. Vaughter in Evanston, IL, US.

Patents per Year

Patents granted per year, 1985 to 1991Bar chart with a peak of 2 patents in 1987.peak 21985: 1 patents19851987: 2 patents19871991: 1 patents1991

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5054117 Tunable UHF filter for switchable VHF/UHF receiver Michael Cruz 1991-10-01 $545,000
4677396 Surface mounted component UHF oscillator Michael Cruz 1987-06-30 $1,149,000
4662001 Tunable notch filter for image frequency and conducted local oscillator leakage rejection Michael Cruz 1987-04-28 $4,466,000
4509207 UHF RF Amplifier and AGC system Francis F. Tong 1985-04-02 $4,074,000