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USPTO Patent Rankings Data through Dec 31, 2025
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John Robert Schlais — 6 Patents

DEDelco Electronics: 6 patents #45 of 908Top 5%
Kokomo, IN: #103 of 628 inventorsTop 20%
Indiana: #6,140 of 33,936 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John Robert Schlais has been granted 6 US patents while listed as an inventor at Delco Electronics. The first was granted in 1991 and the most recent in October 1999. John Robert Schlais ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John Robert Schlais in Kokomo, IN, US.

Patents per Year

Patents granted per year, 1991 to 1999Bar chart with a peak of 3 patents in 1999.peak 31991: 2 patents19911992: 1 patents19921999: 3 patents1999

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5969382 EPROM in high density CMOS having added substrate diffusion Randy A. Rusch 1999-10-19
5930613 Method of making EPROM in high density CMOS having metallization capacitor Randy A. Rusch 1999-07-27
5872034 EPROM in double poly high density CMOS Randy A. Rusch 1999-02-16
5153143 Method of manufacturing CMOS integrated circuit with EEPROM Randy A. Rusch, Thomas H. Simacek 1992-10-06
5021356 Method of making MOSFET depletion device Mark F. Henderson 1991-06-04
5014098 CMOS integrated circuit with EEPROM and method of manufacture Randy A. Rusch, Thomas H. Simacek 1991-05-07