HL

Heimo J. Langer

AO Ashland Oil: 24 patents #6 of 284Top 3%
AS Ashland: 6 patents #19 of 247Top 8%
📍 Columbus, OH: #51 of 3,880 inventorsTop 2%
🗺 Ohio: #1,762 of 73,341 inventorsTop 3%
Overall (All Time): #126,151 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4394466 Fulvene binder compositions Bruce A. Gruber, William R. Dunnavant 1983-07-19
4320218 Binder composition Bruce A. Gruber, William R. Dunnavant 1982-03-16
4293480 Urethane binder compositions for no-bake and cold box foundry application utilizing isocyanato-urethane polymers Ralph D. Martin, William R. Dunnavant, Gregory P. Sturtz 1981-10-06
4246167 Foundry binder composition Robert A. Grimm, John Plummer 1981-01-20
4187349 Bonding of rubber to reinforcing elements William J. McKillip 1980-02-05