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| Patents for Armstrong-Blum Mfg. Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 833,294 | Oct. 16, 1906 | G.J. Blum | Punching and shearing mechanism | |
 | 902,643 | Nov. 03, 1908 | G.J. Blum | Punch | |
 | 1,032,650 | Jul. 16, 1912 | G.J. Blum | Hacksaw | |
 | 1,214,884 | Feb. 06, 1917 | G.J. Blum | Power hacksaw | |
 | 1,233,836 | Jul. 17, 1917 | G.J. Blum | Band-saw | |
 | 1,535,096 | Apr. 28, 1925 | G.J. Blum | Hack saw blade | |
 | 1,972,327 | Sep. 04, 1934 | G.J. Blum | Power hacksaw | |
 | 1,972,328 | Sep. 04, 1934 | G.J. Blum | Power hacksaw | |
 | 2,102,782 | Dec. 21, 1937 | G.J. Blum | Hacksaw | |