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Patents for John Olson | |||||
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Number | Date | Patentee | Title | Type | |
539,998 | May 28, 1895 | J. Olson | Planing Machine | stone dressing machines | |
539,999 | May 28, 1895 | J. Olson | Planing Machine | stone dressing machines | |
2,327,368 | Aug. 24, 1943 | J. Olson | Toggle Pliers | locking pliers |