| Patents Granted on 1931-07-14 |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| 1,813,954 | Jul. 14, 1931 | H.G. Rice | Bottle Capper | bottle cappers |
| 1,814,014 | Jul. 14, 1931 | S. Vitali | Gripping Tool For Jars | jar wrenches |
| 1,814,092 | Jul. 14, 1931 | J.W. Motherwell | Pressure gauge | vacuum and pressure gauges |
| 1,814,151 | Jul. 14, 1931 | S.N. Gundlach | Shingle Cutter | splitting and shearing machinery |
| 1,814,209 | Jul. 14, 1931 | S. Einstein | Centerless Grinding Machine | grinding machines |
| 1,814,211 | Jul. 14, 1931 | J. Garbarek | Tool Holder | lathe tool holders and tool posts |
| 1,814,267 | Jul. 14, 1931 | C.H. Swartz | Cylinder sleeve and method of producing the same | |
| 1,814,279 | Jul. 14, 1931 | G.W. Binns | Hopper Feed | grinding machines |
| 1,814,350 | Jul. 14, 1931 | F.J. Theler | Grinding Machinery | grinding machines |
| 1,814,351 | Jul. 14, 1931 | F.J. Theler | Grinding Machinery | grinding machines |
| 1,814,361 | Jul. 14, 1931 | C. Booth | Grinding Machinery | grinding machines |
| 1,814,362 | Jul. 14, 1931 | C. Booth | Centerless Grinding Machinery | grinding machines |
| 1,814,363 | Jul. 14, 1931 | C. Booth | Grinding Machinery | grinding machines |
| 1,814,364 | Jul. 14, 1931 | C. Booth | Valve Grinder | grinding machines |
| 1,814,365 | Jul. 14, 1931 | C. Booth | Grinding Machinery | grinding machines |
