AJ

Arthur D. Johnson

WC Wells Manufacturing Company: 2 patents #1 of 19Top 6%
EC Echlin: 1 patents #12 of 31Top 40%
📍 Muskego, WI: #50 of 226 inventorsTop 25%
🗺 Wisconsin: #9,054 of 40,088 inventorsTop 25%
Overall (All Time): #1,046,188 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6204770 Master automotive sensor tester 2001-03-20
5686840 Method and apparatus for throttle position sensor testing 1997-11-11
4430028 Front-discharge nitrate truck Richard Mark Clayton 1984-02-07
4397291 Means for mounting ignition control modules 1983-08-09
4387948 Spark plug wire terminal and method for attaching terminal 1983-06-14