| Patents Granted on 1919-12-__ |
Patents 1 -
15
of 41
      |
| Number | Date | Patentee | Title | Type |
| 1,323,267 | Dec. 02, 1919 | B.M. Hanson | Precision Boring Machine | vertical boring mills |
| 1,323,268 | Dec. 02, 1919 | B.M. Hanson | Lubricating System | |
| 1,323,276 | Dec. 02, 1919 | F.O. Hoagland | Metal Working Machine and Method | metalworking machines |
| 1,323,277 | Dec. 02, 1919 | F. Hoagland | Metal Working machine | metalworking machines |
| 1,323,279 | Dec. 02, 1919 | F.O. Hoagland | Barrel Straightening Mechanism | metal straightening machines |
| 1,323,280 | Dec. 02, 1919 | F.O. Hoagland | Limit Gage | limit gages |
| 1,323,452 | Dec. 02, 1919 | S.A. Cogsdill | Machine for Grinding Tools | tool grinders |
| 1,323,476 | Dec. 02, 1919 | G.W. Ingram | Valve Remover | valve spring tools |
| 1,323,531 | Dec. 02, 1919 | E.R. Hewitt | Means to measure the suction in the manifolds of internal combustion engines | vacuum and pressure gauges |
| 1,323,569 | Dec. 02, 1919 | F.H. Bancroft | Automatic turning-machine | pattern lathes |
| 1,323,603 | Dec. 02, 1919 | A.W. Manzel | Force Feed Lubricator | tool lubricators |
| 1,323,633 | Dec. 02, 1919 | I.E. Hindman | Lathe | metal lathes |
| 1,323,707 | Dec. 02, 1919 | J.A. Mackey | Micrometer | micrometers |
| 1,323,740 | Dec. 02, 1919 | F.S. Buckminster | Measuring Instrument | indicating calipers |
| 1,323,818 | Dec. 02, 1919 | R.C. Berry | Bandsaw tensometer | bandsaws |
