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M. Robert Carr

Prairie City, SD: #1 of 1 inventorsTop 100%

South Dakota: #1,077 of 2,308 inventorsTop 50%

Overall (All Time): #3,667,215 of 4,157,543Top 90%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5983580	Stair frame	—	1999-11-16