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USPTO Patent Rankings Data through Dec 31, 2025
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Marvin E. Monroe — 5 Patents

OPOptek: 3 patents #2 of 4Top 50%
Sunbury, OH: #10 of 58 inventorsTop 20%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Marvin E. Monroe has been granted 5 US patents while listed as an inventor at Optek. The first was granted in 1983 and the most recent in November 1992. Marvin E. Monroe ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Marvin E. Monroe in Sunbury, OH, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5163458 Method for removing contaminants by maintaining the plasma in abnormal glow state 1992-11-17
5068002 Ultrasonic glow discharge surface cleaning 1991-11-26
4832480 Differential diagnosis of sensory abnormalities using a normalized, ratiometric analysis of steady state evoked potentials Karl Kornacker 1989-05-23
4426955 Identification and animal feeding apparatus William T. Kavage 1984-01-24
4408295 Optical inspector for slat-type container filling machine William T. Kavage 1983-10-04