John E. Semler — 3 Patents at Graphic Controls

John E. Semler has been granted 3 US patents while listed as an inventor at Graphic Controls. The first was granted in 1991 and the most recent in July 2021. John E. Semler ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John E. Semler in Buffalo, NY, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D926014	Automotive multi-tool	—	2021-07-27
10870194	Vehicle multi-tool	—	2020-12-22
5066633	Sensitizer for heat sensitive paper coatings	Tomoo Shibata, George Gaesser	1991-11-19

John E. Semler — 3 Patents

Issued Patents All Time

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