| Patents for Alamo Iron Works |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,372,816 | Mar. 29, 1921 | J.H. Holmgreen | Bending Machine and Method of Bending | sheet metal bending machines |
| 1,465,733 | Aug. 21, 1923 | J.H. Holmgreen | Bending Machine | sheet metal bending machines |
| 1,502,633 | Jul. 22, 1924 | J.H. Holmgreen | Stop Mechanism for Bending Machines | sheet metal bending machines |
| 1,679,825 | Aug. 07, 1928 | R.J. Holmgreen, J.H. Holmgreen | Rotary Well Drilling Machine | well drilling machines |
| 1,819,417 | Aug. 18, 1931 | J.H. Holmgreen | Joint Packing | packing for joints |
| 3,777,527 | Dec. 11, 1973 | J.H. Lohman | Jig for setting the resistance Stops in a Rotary Bending Machine | sheet metal bending machines |
