RG

Robert J. Grob

Caterpillar: 13 patents #391 of 8,398Top 5%
Overall (All Time): #388,792 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
RE38858 Frictionally driven belted work machine Charles E. Grawey, Cullen P. Hart 2005-11-01
6536851 Debris stripping apparatus Bradley R. Jones, Sean C. McGinnis, Paul J. Mobley 2003-03-25
6386654 Protective cover for guide blocks Stephen M. Singer, Sean C. McGinnis, Kristine R. Steiner 2002-05-14
RE37174 Frictionally driven belted work vehicle Charles E. Grawey, Cullen P. Hart 2001-05-15
5707123 Positive drive rubber belted track system 1998-01-13
5363936 Frictionally driven belted work vehicle Charles R. Grawey, Cullen P. Hart 1994-11-15
5279378 Frictionally driven belted work vehicle Charles E. Grawey, Cullen P. Hart 1994-01-18
D309314 Endless belt for a belted vehicle Charles E. Grawey, Cullen P. Hart 1990-07-17
D302017 Endless belt for a track vehicle Charles E. Grawey, Cullen P. Hart 1989-07-04
D298632 Idler wheel for a track vehicle Charles E. Grawey, Cullen P. Hart 1988-11-22
D298540 Driver wheel for a track vehicle Charles E. Grawey, Cullen P. Hart 1988-11-15
4721498 Endless elastomeric drive belt 1988-01-26
4440209 Split rim with axially located split band 1984-04-03