| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for J. G. Hoffman Mfg Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 293,360 | Feb. 12, 1884 | J.R. Rowlands | Driving Mechanism for Fan Blowers | blacksmith | |
| 300,283 | Jun. 10, 1884 | J.R. Rowlands | Driving mechanism for fan-blowers | blacksmith | |
| 307,229 | Oct. 28, 1884 | J.R. Rowlands | Bolt Cutter | blacksmith | |
| 310,681 | Jan. 13, 1885 | G. Weber, J.G. Hoffman | Mechanisn for Operating Fan Blowers | blacksmith | |