RN

Robert L. Niemchick

OM Outboard Marine: 5 patents #77 of 426Top 20%
📍 Lake Villa, IL: #63 of 228 inventorsTop 30%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,049,663 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6158409 Two-stroke engine piston bowl configurations George T. Gillespie, Peter W. Brown, Francis A. McGinnity, Theodore J. Holtermann, Erik R. Jorgensen +3 more 2000-12-12
5570662 Internal combustion engine with lubricating oil supply system Gerald Haft 1996-11-05
5471958 Internal combustion engine with lubricating oil supply system Gerald Haft 1995-12-05
5381763 Dry head cooling system 1995-01-17
5245960 Integral bracket and idler assembly James E. Macier, John Mahoney, Harold Wade, Gregory M. Umek, John M. Daniels 1993-09-21