| Patents for Charles Howson |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
| | 34,410 | Feb. 18, 1862 | T. Crook, Jr., A.B. Davis | Corn Sheller |
 | 42,738 | May 17, 1864 | R. Barkley, L. Semple | Grindstone-dresser |
 | 43,301 | Jun. 28, 1864 | L.B. Flanders | Improvement in steam-boilers |
 | 43,577 | Jul. 19, 1864 | L.B. Flanders | Improvement in steam-boilers |
 | 44,296 | Sep. 20, 1864 | L.B. Flanders | Improvement in apparatus for boring cylinders |
 | 46,843 | Mar. 14, 1865 | J.G. Baker | Improved Saw Grinding Machine |
 | 81,126 | Aug. 18, 1868 | E. Andrews | Improvement in saw-grinding machines |
