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Home › Dial Manufacturing › John Willis

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John Willis — 1 Patent

DMDial Manufacturing: 1 patents #2 of 5Top 40%

Phoenix, AZ: #3,681 of 6,660 inventorsTop 60%

Arizona: #18,529 of 32,909 inventorsTop 60%

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

1 Patents All Time

John Willis has been granted 1 US patent while listed as an inventor at Dial Manufacturing. All of these patents were granted in 1980. John Willis ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John Willis in Phoenix, AZ, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4232531	Thermostatic control apparatus for evaporative cooling system	William M. Mangam, Jr., Myron L. Jones	1980-11-11

John Willis — 1 Patent

Issued Patents All Time

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