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John Hamilton — 76 Patents

STSteelcase: 62 patents #7 of 809Top 1%

SDSteelcase Development: 13 patents #29 of 472Top 7%

San Rafael, CA: #4 of 869 inventorsTop 1%

California: #3,738 of 386,348 inventorsTop 1%

Overall (All Time): #24,857 of 4,157,543Top 1%

76 Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #	Title	Co-Inventors	Date
5224909	Mid-body exercise device	—	1993-07-06