| Patents Granted on 1919-04-?? |
Patents 1 -
15
of 43
      |
| Number | Date | Patentee | Title | Type |
| D53,161 | Apr. 01, 1919 | J. Vicario | Combination Tool | combination tools |
| 1,298,653 | Apr. 01, 1919 | E. Bockshe | Adjustable casing for grinders | hand grinders |
| 1,298,741 | Apr. 01, 1919 | P.H. Leckinger | Riveting Machine or Hammer | trip and helve hammers |
| 1,298,966 | Apr. 01, 1919 | J.S. Knowlson | Electrically-operated tool | impact riveters |
| 1,299,125 | Apr. 01, 1919 | A.E. Carter | Cutting Tool | lathe tool holders and tool posts |
| 1,299,179 | Apr. 01, 1919 | A.S. Harcos | Drawing Instrument | dividers |
| 1,299,208 | Apr. 01, 1919 | F. Müller | Relieving Lathe | metal relieving machines |
| 1,299,256 | Apr. 01, 1919 | W.C. Stenger | Micrometer | micrometers |
| 1,299,367 | Apr. 01, 1919 | J.D. McMichael, F.H. Clement | Segment-jointing attachment for saw-benches | tablesaw accessories |
| 1,299,452 | Apr. 08, 1919 | R.W. Foster | Blow Off Valve | blow off valves |
| 1,299,488 | Apr. 08, 1919 | J.R. Long | Automatic Machine Vise | |
| 1,299,510 | Apr. 08, 1919 | R.A. Rosander | Wrench | quick adjust wrenches |
| 1,299,627 | Apr. 08, 1919 | H. Simon | Rule | folding rules |
| 1,299,689 | Apr. 08, 1919 | W.L. Deming | Cash-recording device | |
| 1,299,764 | Apr. 08, 1919 | D.J. Normoyle | Wrench | tap wrenches and die stocks |
