| Patents for Armstrong-Blum Mfg. Co. |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 833,294 | Oct. 16, 1906 | G.J. Blum | Punching and shearing mechanism | metal punching machines |
| 902,643 | Nov. 03, 1908 | G.J. Blum | Punch | metal punching machines |
| 1,032,650 | Jul. 16, 1912 | G.J. Blum | Hacksaw | metal sawing machines |
| 1,214,884 | Feb. 06, 1917 | G.J. Blum | Power hacksaw | metal sawing machines |
| 1,233,836 | Jul. 17, 1917 | G.J. Blum | Band-saw | metal cutting bandsaws |
| 1,535,096 | Apr. 28, 1925 | G.J. Blum | Hack saw blade | hacksaws |
| 1,972,327 | Sep. 04, 1934 | G.J. Blum | Power hacksaw | metal sawing machines |
| 1,972,328 | Sep. 04, 1934 | G.J. Blum | Power hacksaw | metal sawing machines |
| 2,102,782 | Dec. 21, 1937 | G.J. Blum | Hacksaw | power hacksaws |
