| Patents for John White |
Patents 16 -
30
of 50
      |
| Number | Date | Patentee | Title | Type |
| 51,168 | Nov. 28, 1865 | C.P. Frazer | Mode of sharpening saws | saw sharpening machines |
| 51,633 | Dec. 19, 1865 | G. Trimble | Improvement in mitering machines | miter machines |
| 52,173 | Jan. 23, 1866 | F. Schlater, A. Kleinschmidt | Spill Plane | spill planes |
| 53,981 | Apr. 17, 1866 | T.M. Howard | Improved drilling-machine | drill presses |
| 54,709 | May 15, 1866 | C.P. Frazer, C.C. Hinchman | Improved saw-filing machine | saw sharpening machines |
| 54,813 | May 15, 1866 | J.G. Baker | Improvement in Saw Grinding Machines | tool making machines |
| 55,375 | Jun. 05, 1866 | C.T. Shoemaker | Improvement in saws | saw teeth |
| RE2,398 | Nov. 27, 1866 | T. Shaw | Power Hammer | power hammers |
| 63,024 | Mar. 19, 1867 | C. Disston | Improvement in saws | saw teeth |
| 63,407 | Apr. 02, 1867 | T.T. Markland, Jr. | Improvement in machines for sharpening saws | saw gummers |
| 63,487 | Apr. 02, 1867 | H. Disston | Improved Mode of Manufacturing Saw Blades | tool making machines |
| 65,051 | May 28, 1867 | P. Bloomsburg, Jr., J. Molyneux | Mechanical movement | steam engine valve gear |
| 65,676 | Jun. 11, 1867 | A. Jameson | Improved Screw-Box for Vises | leg vises |
| 66,712 | Jul. 16, 1867 | A. Jameson | Vise | vises |
| 67,734 | Aug. 13, 1867 | H. Disston | Improvement in Hardening and Straightening Steel Blades | tool making machines |
