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Robert A. Colombo — 1 Patent

General Motors: 1 patents #9,441 of 18,328Top 55%

Joliet, IL: #156 of 318 inventorsTop 50%

Illinois: #49,230 of 84,256 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

Robert A. Colombo has been granted 1 US patent while listed as an inventor at General Motors. All of these patents were granted in 1987. Robert A. Colombo ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert A. Colombo in Joliet, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4660895	Railway locomotive brake control system	Wayne Chlumecky, John H. Cryder, Robert E. Spenk	1987-04-28

Robert A. Colombo — 1 Patent

Issued Patents All Time

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