JO

James R. Owoc

KM Kerotest Manufacturing: 5 patents #3 of 16Top 20%
📍 Pittsburgh, PA: #1,616 of 7,570 inventorsTop 25%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,065,629 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4540019 Bellows sealed stem for rotary valve Richard Tremblay 1985-09-10
4516754 Bent bellows sealed rotary valve 1985-05-14
4513779 Metering valve John Thomas, Richard W. Conley 1985-04-30
4462422 Bellows sealed stem for rotary valve Richard Tremblay 1984-07-31
4452426 Bent bellows sealed rotary valve 1984-06-05