| Patents for Francis H. Richards |
Patents 1 -
10
of 83
      |
| Picture | Number | Date | Patentee | Title |
 | 150,356 | Apr. 28, 1874 | F.H. Richards | Traction-Engines |
 | 285,931 | Oct. 02, 1883 | F.H. Richards | Lathe for irregular forms |
| | 303,321 | Aug. 12, 1884 | F.H. Richards | Friction Clutch |
| | 305,234 | Sep. 16, 1884 | F.H. Richards | Gear Cutting Machine |
| | 307,227 | Oct. 28, 1884 | F.H. Richards | Metal Turning Tool |
| | 320,968 | Jun. 30, 1885 | F.H. Richards | Machine for Making Twist Drills |
 | 323,208 | Jul. 28, 1885 | F.H. Richards | Planer Table Driving Mechanism |
| | 331,443 | Dec. 01, 1885 | F.H. Richards | Blank-feeding mechanism |
| | 333,161 | Dec. 29, 1885 | F.H. Richards | Device for Converting Motion |
| | 352,004 | Nov. 02, 1886 | F.H. Richards | Saw |
