For the Inventor, By the Inventor

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Tucson, AZ, United States of America

Envirotest Syst. Corp.

USPTO Granted Patents = 1

Forward Citations = 40

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1 inventor (with patents filed for the assignee):

James Johnson (1 out of 69 patents)

1 patent: Sort by Forward Citations

1. 5343043 - Remote sensor device for monitoring motor vehicle exhaust systems with (1994-08-30),

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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#324 in Tucson, AZ

#1,979 in Arizona

#136,850 in US

Tucson, AZ, United States of America

Envirotest Syst. Corp.

Forward Citations = 40

1 inventor:

James Johnson (1 out of 69 patents)

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