| Patents for Christopher Richardson |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 65,946 | Jun. 18, 1867 | C. Richardson | Improved Apparatus for Tempering Steel Plates |
 | 65,947 | Jun. 18, 1867 | C. Richardson | Improvement in Hand Saw Frames |
 | 157,296 | Dec. 01, 1874 | C. Richardson | Improvement in Flattening and Tempering Saws |
 | 292,951 | Feb. 05, 1884 | C. Richardson | Saw-handle |
 | 308,703 | Dec. 02, 1884 | C. Richardson | Fret Saw Handle |
 | 314,479 | Mar. 24, 1885 | C. Richardson | Trowel Handle |
 | 315,663 | Apr. 14, 1885 | C. Richardson | Saw |
 | 320,169 | Jun. 16, 1885 | C. Richardson | Saw-handle |
 | 330,680 | Nov. 17, 1885 | J.A. Dean | Saw-tooth |
 | 343,254 | Jun. 08, 1886 | C. Richardson | Handsaw |
