RH

Richard Hoppens

Caterpillar: 2 patents #2,982 of 8,398Top 40%
Overall (All Time): #2,026,170 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9096992 Dipper door assembly Carl D. Gilmore, Jeffrey Klingel, Douglas Maki, Zoran Marjanovic, Kenneth J. Meyer 2015-08-04
8997382 Dipper door assembly Carl D. Gilmore, Jeffrey Klingel, Kenneth J. Meyer, Zoran Marjanovic, Jamie K. Sherwood +2 more 2015-04-07