JZ

John F. Zwirlein

OL Olin: 5 patents #152 of 783Top 20%
Overall (All Time): #1,061,359 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5074470 Valving rod with scraper device for foam dispensing apparatus William F. Rosenplanter, James R. Noel, Thomas P. Patrosh 1991-12-24
5040728 Composite valving rod scraper device and cartridge William F. Rosenplanter 1991-08-20
4534802 Air purge/solvent bath method William Gates 1985-08-13
4460126 Air purge/solvent bath apparatus and method William Gates 1984-07-17
4204977 Polyurethane foam generating apparatus 1980-05-27