O'Brien Robert
American
11 April 1908
- Last Constructor : Simca
- First entry : 1952 (Belgian Grand Prix)
- Last entry : 1952 (Belgian Grand Prix)
- Championships : 0
- Starts : 1
- Pole positions : 0
- Podiums : 0
- Wins : 0
- Fastest laps : 0
- Career points : 0.00
- First win : -
- Last win : -
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