DR

Daniel G. Roley

Caterpillar: 1 patents #4,437 of 8,398Top 55%
Overall (All Time): #2,345,143 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4700794 Vehicle steering apparatus James R. Bernhagen, Elmer R. Crabb, Marilyn S. Murphy, Gene R. St. Germain, James H. Tunnell 1987-10-20
T100602 Apparatus for measuring angles Paul L. Wright 1981-05-05