| Patents for National Acme Mfg. Co. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,008,677 | Nov. 14, 1911 | O.A. Smith | Tool Holder or Bracket | metalworking machine tool holders |
| 1,038,670 | Sep. 17, 1912 | O.A. Smith | Threading Die | |
| 1,057,014 | Mar. 25, 1913 | O.A. Smith | Die | |
| 1,449,475 | Mar. 27, 1923 | E.H. Wheeler | Recessing Tool Holder | metalworking machine tool holders |
| 1,783,541 | Dec. 02, 1930 | F. Neumann, W.J. Hogg | Tool Holder | drilling and boring tool holders |
| 1,978,427 | Oct. 30, 1934 | W.J. Hogg | Combined Circular Chaser and Turning Tool | tap and die holders |
