| Patents for Frank O. Hoagland |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
 | 1,323,276 | Dec. 02, 1919 | F.O. Hoagland | Metal Working Machine and Method |
| | 1,323,279 | Dec. 02, 1919 | F.O. Hoagland | Barrel Straightening Mechanism |
| | 1,323,280 | Dec. 02, 1919 | F.O. Hoagland | Limit Gage |
| | 1,326,865 | Dec. 30, 1919 | F.O. Hoagland | Milling Cutter |
| | 1,332,398 | Mar. 02, 1920 | F.O. Hoagland | Vise |
| | 1,383,629 | Jul. 05, 1921 | F.O. Hoagland | Surface Plate |
 | 1,383,630 | Jul. 05, 1921 | F.O. Hoagland | Combined Tool Holder and Cutter |
| | 1,423,112 | Jul. 18, 1922 | F.O. Hoagland | Oil Cup |
| | 1,434,699 | Nov. 07, 1922 | F.O. Hoagland | Lead Gauge for Threads |
| | 1,570,251 | Jan. 19, 1926 | F.O. Hoagland | Collet and collet mechanism |
