| Patents for Christopher Richardson |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 65,946 | Jun. 18, 1867 | C. Richardson | Improved Apparatus for Tempering Steel Plates | tool making machines |
| 65,947 | Jun. 18, 1867 | C. Richardson | Improvement in Hand Saw Frames | hacksaws |
| 157,296 | Dec. 01, 1874 | C. Richardson | Improvement in Flattening and Tempering Saws | handsaws |
| 292,951 | Feb. 05, 1884 | C. Richardson | Saw-handle | crosscut saw handles |
| 308,703 | Dec. 02, 1884 | C. Richardson | Fret Saw Handle | saw handles |
| 314,479 | Mar. 24, 1885 | C. Richardson | Trowel Handle | |
| 315,663 | Apr. 14, 1885 | C. Richardson | Saw | handsaws |
| 320,169 | Jun. 16, 1885 | C. Richardson | Saw-handle | saw handles |
| 330,680 | Nov. 17, 1885 | J.A. Dean | Saw-tooth | insertable saw teeth |
| 343,254 | Jun. 08, 1886 | C. Richardson | Handsaw | hacksaws |
| 364,672 | Jun. 14, 1887 | C. Richardson | Crosscut-saw handle | crosscut saw handles |
| D28,444 | Apr. 05, 1898 | C. Richardson | Design for a carving fork | cutlery |
| D28,445 | Apr. 05, 1898 | C. Richardson | Design for a carving fork | cutlery |
| D28,446 | Apr. 05, 1898 | C. Richardson | Design for a carving fork | cutlery |
