| Patents Granted on 1931-08-18 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| D84,910 | Aug. 18, 1931 | H.S. Wolfe, H.L. Myers | Design for a combined casing for a floor polishing brush and handle therefor | |
| 1,819,140 | Aug. 18, 1931 | C.S. Weyandt, H.E. Fox | Reciprocating motor | handheld power tools |
| 1,819,182 | Aug. 18, 1931 | J.F. Lincoln | Dynamo Electric Machine | electric generators |
| 1,819,417 | Aug. 18, 1931 | J.H. Holmgreen | Joint Packing | packing for joints |
| 1,819,431 | Aug. 18, 1931 | C.D. McDonald | Apparatus for forming scroll-edge metal blanks | |
| 1,819,640 | Aug. 18, 1931 | D.P. Davies | Tractor | tractors |
| 1,819,703 | Aug. 18, 1931 | W. Ernst | Valve | hydraulic motor controls |
| 1,819,800 | Aug. 18, 1931 | W.B. Turner | Polishing device | sanding machines |
| 1,819,837 | Aug. 18, 1931 | W.C. De Graff | Chuck | metal lathe chucks |
