Patents for George A. Hoffman |
Patents 1 -
9
of 9
![](/buttons/btnLeftCir.jpg) ![First set of records](/buttons/btnFirst.jpg) ![](/buttons/btngPrev.jpg) ![](/buttons/btngNext.jpg) ![Last set of records](/buttons/btnLast.jpg) ![](/buttons/btnRightCir.jpg) |
Number | Date | Patentee | Title | Type |
627,299 | Jun. 20, 1899 | F.G. Echols | Metal-working machine | milling machines |
639,560 | Dec. 19, 1899 | B.M. Hanson | Caliper Attachment | measurement gauges |
1,017,132 | Feb. 13, 1912 | J. Burke | Self-oiling bearing | motor bearings |
1,026,904 | May 21, 1912 | J. Burke | Electric motor | blowers |
1,033,379 | Jul. 23, 1912 | J. Burke | Dynamo-electric machine | electric motors |
1,062,883 | May 27, 1913 | J. Burke | Electric riveting-machine | riveting machines |
1,072,422 | Sep. 09, 1913 | J. Burke | Electric controlling apparatus | motor controls |
1,073,662 | Sep. 23, 1913 | J. Burke | Means for controlling synchronous machines | synchronous motors |
1,185,366 | May 30, 1916 | J. Burke | Dynamo-electric machine | motor stators |