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John A. Christensen — 1 Patent

ZEZenith Electronics: 1 patents #208 of 411Top 55%

Des Plaines, IL: #491 of 807 inventorsTop 65%

Illinois: #49,230 of 84,256 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

John A. Christensen has been granted 1 US patent while listed as an inventor at Zenith Electronics. All of these patents were granted in 1987. John A. Christensen ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John A. Christensen in Des Plaines, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4704565	Dynamically converging electron gun system	Allen P. Blacker, Khem Garewal	1987-11-03	$1,492,000

John A. Christensen — 1 Patent

Issued Patents All Time

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