JZ

John R. Zern

PI Ppg Industries: 2 patents #457 of 1,216Top 40%
📍 Springdale Township, PA: #51 of 117 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,274,070 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5681628 Pressurizable thermoplastic container having an exterior polyurethane layer and its method of making Ken W. Niederst, Jerome A. Seiner 1997-10-28
5300334 Pressurizable thermoplastic container having an exterior polyurethane layer and its method of making Ken W. Niederst, Jerome A. Seiner 1994-04-05