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All Patents in class 147/46 | |||||
Number | Date | Patentee | Title | Type | |
343,197 | Jun. 08, 1886 | P.D. Pike | Machine for cutting locks in hoops | hoop making machines | |
904,480 | Nov. 17, 1908 | E.F. Beugler, B. Holmes, E. Holmes | Lock Cutting Machine for Barrel Hoops | barrel making machines |