| Patents for George A. Hoffman |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 627,299 | Jun. 20, 1899 | F.G. Echols | Metal-working machine |
 | 639,560 | Dec. 19, 1899 | B.M. Hanson | Caliper Attachment |
 | 1,017,132 | Feb. 13, 1912 | J. Burke | Self-oiling bearing |
 | 1,026,904 | May 21, 1912 | J. Burke | Electric motor |
 | 1,033,379 | Jul. 23, 1912 | J. Burke | Dynamo-electric machine |
 | 1,062,883 | May 27, 1913 | J. Burke | Electric riveting-machine |
 | 1,072,422 | Sep. 09, 1913 | J. Burke | Electric controlling apparatus |
 | 1,073,662 | Sep. 23, 1913 | J. Burke | Means for controlling synchronous machines |
 | 1,185,366 | May 30, 1916 | J. Burke | Dynamo-electric machine |
