| All Patents in class 29/DIG.101 |
Patents 1 -
15
of 72
      |
| Number | Date | Patentee | Title | Type |
| 115,451 | May 30, 1871 | J.N. Durrell | Improvement in machines for tapping nuts | nut or bolt making machines |
| 119,282 | Sep. 26, 1871 | A. Saffer | Polishing Stone | polishing and buffing machinery |
| 142,511 | Sep. 02, 1873 | S.W. Putnam, Jr. | Improvement in machines for tapping nuts | nut or bolt making machines |
| 157,700 | Dec. 15, 1874 | C. Sellers | Machines for Threading Bolts | |
| 187,770 | Feb. 27, 1877 | L. Sharpe, executor, C.D. Owen, executor, J.R. Brown (deceased), estate of | Grinding Machine | cylindrical grinders |
| 194,962 | Sep. 11, 1877 | L. Field | Screw Cutting Machines | screw machines |
| 291,971 | Jan. 15, 1884 | J.E. Atwood | Metal Turning Lathe | engine lathes |
| 311,099 | Jan. 20, 1885 | E.P. Baville | Machine for Threading Screws Bolts and Nuts | metal threading machines |
| 329,105 | Oct. 27, 1885 | H. Voigt | Automatic Lathe | automatic lathes |
| 354,773 | Dec. 21, 1886 | F.H. Clement | Face jointer | jointers |
| 365,744 | Jun. 28, 1887 | J.W. Heyer | Drilling-machine | |
| 405,706 | Jun. 25, 1889 | E.R. Hyde | Surface Grinding or Planing Machine | surface grinders |
| 406,003 | Jun. 25, 1889 | G.T. Reiss | Turret-lathe | turret lathes |
| 414,503 | Nov. 05, 1889 | J.S. Detrick | Machines for Planing Metal | metalworking machine mechanisms |
| 417,983 | Dec. 24, 1889 | G.W. Bugbee, F. Danner | Drawer-fitting machine | sanding machines |
