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Patents for W. D. Westman
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-4,825Jun. 05, 1875W.D. WestmanImprovements on scroll sawscrollsaws
178,821Jun. 13, 1876W.D. WestmanImprovement in scroll-sawsscrollsaws
CA-6,943Jan. 09, 1877W.D. WestmanImprovement on first and intermediate driversindustrial machine pulleys and belt drive mechanisms
CA-13,814Dec. 13, 1881W.D. WestmanImprovement on first and intermediate driversindustrial machine pulleys and belt drive mechanisms
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