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Patents for W. W. Bostwick | |||||
Number | Date | Patentee | Title | Type | |
CA-11,040 | Mar. 18, 1880 | W.S. Brewer | Improvements on sawing machines | drag saws | |
241,449 | May 10, 1881 | C.M. Trautmann | Sawing-machine | drag saws |