| Patents for R. B. Torrey |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 339,274 | Apr. 06, 1886 | S.J. De Lue | Lathe for turning lasts and other articles |
 | 342,923 | Jun. 01, 1886 | F.B. Munroe | Hose Spanner |
 | 345,630 | Jul. 13, 1886 | J.N. Girard | Combined Tool |
| | 345,636 | Jul. 13, 1886 | E.G. Blaney, Jr. | Cutter-head |
 | 348,149 | Aug. 24, 1886 | W. Bowker | Hoop-sawing machine |
 | 350,768 | Oct. 12, 1886 | W.E. Pettengill | Inside Caliper |
 | 357,584 | Feb. 15, 1887 | W.W. Dudley | Tool for Closing Mainspring Barrels |
 | 365,407 | Jun. 28, 1887 | H. Richardson | Machinery for grinding spherical balls |
 | 368,606 | Aug. 23, 1887 | W. Parker | Spindle for forming tubes of veneering |
| | 396,553 | Jan. 22, 1889 | J.L. Fowle | Machinery for grinding metallic bands |
