FR

Frank Rosner

Overall (All Time): #2,237,703 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6059449 Rotatable mixing head with sealed bearings Steven Davis, Brian T. Gibbs 2000-05-09
5836690 Rotatable mixing head having sealed bearings Steven Davis, Brian T. Gibbs 1998-11-17