| Patents for Frank O. Hoagland |
Patents 1 -
22
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 |
| | 1,632,600 | Jun. 14, 1927 | F.O. Hoagland | Internal Grinding Machine |
| | 1,664,745 | Apr. 03, 1928 | F.O. Hoagland | Fluid Pump |
| | 1,669,873 | May 15, 1928 | F.O. Hoagland | Snap Gauge |
| | 1,695,762 | Dec. 18, 1928 | F.O. Hoagland | Backing-Off Device for Cutters Having Angularly Disposed Teeth |
| | 1,743,604 | Jan. 14, 1930 | F.O. Hoagland | Adapter for Segmental Abrasive Wheels |
| | 1,840,361 | Jan. 12, 1932 | F.O. Hoagland | Spindle Rotating Means for Milling Machines |
| | 1,897,666 | Feb. 14, 1933 | F.O. Hoagland | Machine Tool Spindle |
 | 1,961,605 | Jun. 05, 1934 | J.E. Lovely, N.I. Lundberg, M.E. Lange, F.O. Hoagland, A.E. Drissner | Standard Spindle Nose |
| | 1,980,336 | Nov. 13, 1934 | F.O. Hoagland | Chuck Retaining Means |
| | 2,101,177 | Dec. 07, 1937 | F.O. Hoagland | Bench Type Machine Tool |
| | 2,167,755 | Aug. 01, 1939 | F.O. Hoagland | Bench Lathe |
| | 2,207,804 | Jul. 16, 1940 | F.O. Hoagland | Drill Grinder |
