| All Patents in class 403 |
Patents 16 -
30
of 708
      |
| Number | Date | Patentee | Title | Type |
| 16,938 | Mar. 31, 1857 | A.W. Streeter | Method of constructing bit-stocks | braces |
| 17,236 | May 05, 1857 | W. Sellers, C. Sellers | Improvement in couplings for shafting | industrial machine shaft couplings |
| 18,558 | Nov. 03, 1857 | R.W. Stone | Joint of Carriage-Tops | |
| RE524 | Feb. 09, 1858 | P. Frost | Improvement in Scythe-Fastenings | wrenches |
| 23,358 | Mar. 29, 1859 | J.E. Emerson | Pick-handle | tool handles |
| 25,460 | Sep. 13, 1859 | H. Whitmore, D.M. Smith | Folding Rule Joint | folding rule joints |
| 25,674 | Oct. 04, 1859 | E.A. Roberts | Lathe Chuck | metal lathe chucks |
| 27,588 | Mar. 20, 1860 | G. Westinghouse, Sr. | Improvement in crank-boxes | |
| 27,784 | Apr. 10, 1860 | J.E. Emerson | Fastening for ax-handles | axes |
| 30,146 | Sep. 25, 1860 | W.H. Livingston | Fastening Axes to Handles | axes |
| 33,394 | Oct. 01, 1861 | W.H. Livingston | Improved Method of Attaching Handles to Picks, &c. | |
| RE1,304 | Apr. 29, 1862 | J.E. Emerson | Pickaxe handle | pick axes |
| 47,214 | Apr. 11, 1865 | W. Morehouse | Ax-Helve | axes |
| 48,327 | Jun. 20, 1865 | J.A. Traut | Improvements in Joints of Folding Rules | folding rule joints |
| 50,700 | Oct. 31, 1865 | G.H. Fox | Improvement in shaft-couplings | industrial machine shaft couplings |
