| Patents Granted on 1919-04-29 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| RE14,640 | Apr. 29, 1919 | R.A. Durland | Valve Spring Compressor | valve spring tools |
| D53,260 | Apr. 29, 1919 | F.O. Von Tobel | Combination Tool | combination tools |
| 1,301,891 | Apr. 29, 1919 | F.O. Albertson | Valve Refacing Tool | valve grinding tools |
| 1,301,937 | Apr. 29, 1919 | J.N. Heald, A.M. Drake | Belt-tightener | grinding machines |
| 1,301,996 | Apr. 29, 1919 | R.H. Barr | Square for Tools | |
| 1,302,131 | Apr. 29, 1919 | R.L. Carter | Centering-gage | center marking gauges |
| 1,302,246 | Apr. 29, 1919 | R.A. Trace | Machine for forming oil-cakes | seed or nut oil apparatus |
