For the Inventor, By the Inventor

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Chicago, IL, United States of America

Trailer Train

USPTO Granted Patents = 3

Forward Citations = 28

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5 inventors (with patents filed for the assignee):

Ronald P Sellberg (1 out of 21 patents)

Russell G Altherr (1 out of 29 patents)

Boris S Terlecky (1 out of 19 patents)

4. Bruce R Ellis (1 out of 1 patent)

5. Robert M Orb (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4784066 - Adapter for a transport system (1988-11-15),

2. 4776474 - Railroad car coupler arrangement limiting excess lateral movement of the (1988-10-11),

3. 4773336 - Railroad bogie for removably supporting coupled semi-trailers (1988-09-27),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#803 in Chicago, IL

#3,451 in Illinois

#73,766 in US

Chicago, IL, United States of America

Trailer Train

Forward Citations = 28

5 inventors:

Ronald P Sellberg (1 out of 21 patents)

Russell G Altherr (1 out of 29 patents)

Boris S Terlecky (1 out of 19 patents)

4. Bruce R Ellis (1 out of 1 patent)

5. Robert M Orb (1 out of 1 patent)

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