Title:
Center punching assembly
United States Patent 2730811
US Patent References:
Gauging and measuring instrument
- - 1424941
Punch
- - 2167103
Centering device
- - 2364497
Precision machine tool
- - 2462573
Magnetic layout punch
- - 2526528
Gauging and measuring instrument
- - 1424941
Punch
- - 2167103
Centering device
- - 2364497
Precision machine tool
- - 2462573
Magnetic layout punch
- - 2526528
Inventors:
Gouldsmith Jr., Noel J.
Publication Date:
01/17/1956
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Export Citation:
Assignee:
Gouldsmith Jr., Noel J.
Primary Class:
Other Classes:
83/588, 359/810, 33/670, D19/72, 30/366
International Classes:
B25D5/00
US Patent References:
| 2599652 | Layout or hole locating device |
Foreign References:
| DE229553C |