JK

John D. Kirkpatrick

PC Pittsburgh Corning: 1 patents #14 of 31Top 50%
Overall (All Time): #1,294,341 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5306449 Process for lining high pressure pipeline Perry N. Brittain 1994-04-26
4818314 Process for lining a high pressure pipeline Perry N. Brittain 1989-04-04
4496499 Process for lining high pressure pipeline Perry N. Brittain 1985-01-29
4198224 Process for making a cellulated vitreous material 1980-04-15