| Patents Granted on 1919-03-25 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| CA-189,240 | Mar. 25, 1919 | W.A. Barker | Chuck for lathes | metal lathe chucks |
| 1,297,990 | Mar. 25, 1919 | W. Blacker | Treadle Hammer | power hammers |
| 1,298,068 | Mar. 25, 1919 | B.T. McCanna, E.R. Klemm | Gas-engine governor and auxiliary air-inlet | internal combustion engine governors |
| 1,298,145 | Mar. 25, 1919 | G.M. Yost | Columbian Model 3B | vises |
| 1,298,146 | Mar. 25, 1919 | G.M. Yost | Columbian Model 1A | vises |
| 1,298,201 | Mar. 25, 1919 | M. Hacker | Tool Holder | lathe tool holders and tool posts |
