John A. Middleton — 1 Patent at Combustion Engineering

John A. Middleton has been granted 1 US patent while listed as an inventor at Combustion Engineering. All of these patents were granted in 1983. John A. Middleton ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John A. Middleton in Eagleville, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4418893	Water-cooled refractory lined furnaces	Thomas L. O'Dwyer	1983-12-06	$6,665,000

John A. Middleton — 1 Patent

Issued Patents All Time

Patent Widget