RL

Robert Lovell

KO Koppers: 1 patents #44 of 126Top 35%
Overall (All Time): #1,681,050 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4429170 Process for removing tar bases from Lurgi tar acid stream 1984-01-31
4351542 Flexible towing hitch Robert Vanos 1982-09-28
4249408 Process for extruding maraging steel 1981-02-10