| Patents for H. Howson |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 60,774 | Jan. 01, 1867 | J. Molyneux | Improved excavator |
 | 63,024 | Mar. 19, 1867 | C. Disston | Improvement in saws |
 | 63,106 | Mar. 19, 1867 | G. Selsor | Improvement in Nail Hammers |
 | 66,965 | Jul. 23, 1867 | A. Jameson | Improvement in Vises |
 | RE3,052 | Jul. 28, 1868 | C. Disston | Improvement in Saws |
 | 81,126 | Aug. 18, 1868 | E. Andrews | Improvement in saw-grinding machines |
 | 82,374 | Sep. 22, 1868 | H. Asbury, J.G. Baker | Improvement in Bung-Borers |
 | 107,599 | Sep. 20, 1870 | H. Disston | Improvement in Combined Furnace or Oven and Tempering Dies |
 | 109,881 | Dec. 06, 1870 | T.S. Disston | Improved Process for concave/vex Circular blades |
 | 174,211 | Feb. 29, 1876 | T.S. Disston | Improvement in Gages |
