| Patents for Harry Smith |
Patents 16 -
30
of 117
      |
| Number | Date | Patentee | Title | Type |
| 136,794 | Mar. 11, 1873 | C. Van Haagen | Slide Rests for Lathes | metal lathes |
| 140,925 | Jul. 15, 1873 | J.C. Keller | Improvement in metal-drilling machines | drill presses |
| 143,128 | Sep. 23, 1873 | T.S. Disston | Improvement in Hand Saws | saw handles |
| 148,652 | Mar. 17, 1874 | D.C. Baxter | Forges | blacksmith |
| 148,748 | Mar. 17, 1874 | G.H. Perkins | Machine for Stamping and Bending Sheet Metal | stamping presses |
| 149,020 | Mar. 24, 1874 | A. Wood | Metal Shaft Turning Lathes | shaft turning lathes |
| 150,857 | May 12, 1874 | M.A. Furbush | Improvement in metal-drilling machines | drill presses |
| 153,401 | Jul. 21, 1874 | C. Van Haagen | Improvement in machines for sharpening twist-drills | drill grinders |
| 155,950 | Oct. 13, 1874 | H. Howson | Improvement in Handsaws | saw handles |
| 157,082 | Nov. 24, 1874 | H.D. Rouse | Wrenches | pipe wrenches |
| 157,634 | Dec. 08, 1874 | W.J. Reagan | Improvement in handles for saws | saw handles |
| 159,481 | Feb. 02, 1875 | C. Van Haagen | Improvement in Metal-Drilling Machines | drilling and boring |
| 159,723 | Feb. 09, 1875 | C. Van Haagen | Improvement in grinding apparatus | drill grinders |
| 161,746 | Apr. 06, 1875 | W.E. Brock | Improvement in lumber | |
| 162,355 | Apr. 20, 1875 | C. Disston | Plaster's Trowel | plasterer |
