| Patents Granted on 1922-03-28 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,410,714 | Mar. 28, 1922 | A.G. Ostermann | Tool Holder | lathe tool holders and tool posts |
| 1,410,801 | Mar. 28, 1922 | A. Erickson | Tack puller and driver | tack hammers |
| 1,410,816 | Mar. 28, 1922 | W.M. Lawrence | Spark Plug Wrench | screw adjust wrenches |
| 1,410,993 | Mar. 28, 1922 | A.B. Carill | Chain Pipe Wrench | chain and strap wrenches |
| 1,411,017 | Mar. 28, 1922 | . | Handsaw Attachment | |
| 1,411,025 | Mar. 28, 1922 | C.B. Jahnke, F.G. Hobart | Oil Engine Feeding Device | fuel injection apparatus |
