RH

Robert E. Hawbaker

Caterpillar: 3 patents #2,162 of 8,398Top 30%
Overall (All Time): #1,611,570 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6634619 Pressure control valve having enhanced durability David A. Cusac, Chuong Q. Dam, Mark G. Fulford, Paul Gamble, Rebecca M. Zick 2003-10-21
6604420 Nondestructive adhesion testing by ultrasonic cavitation Leonard George Wheat, Jason William Sanders, Poh Heng Teh 2003-08-12
6478933 Method for creating surface oil reservoirs on coated iron Chuong Q. Dam 2002-11-12