| Patents for Francis H. Richards |
Patents 16 -
30
of 82
      |
| Number | Date | Patentee | Title | Type |
| 408,192 | Jul. 30, 1889 | F.H. Richards | Stop Motion Register for Grain Scales | grain scales |
| 415,846 | Nov. 26, 1889 | F.H. Richards | Screw Tapping Machine | nut or bolt making machines |
| 419,884 | Jan. 21, 1890 | F.H. Richards | Milling-machine vise | metalworking machine vises |
| 421,517 | Feb. 18, 1890 | F.H. Richards | Drilling Machine | drill presses |
| 421,556 | Feb. 18, 1890 | C.H. Cooley | Automatic regulator for grain-scales | |
| D19,745 | Apr. 01, 1890 | F.H. Richards | Design for a machine frame | |
| 434,702 | Aug. 19, 1890 | F.H. Richards, C.H. Cooley | Grain-weigher | |
| 434,723 | Aug. 19, 1890 | F.H. Richards | Regulator for Grain Weighers | grain scales |
| 440,740 | Nov. 18, 1890 | F.H. Richards, C.H. Cooley | Scale-beam for grain-weighers | |
| 441,199 | Nov. 25, 1890 | S.D. Shambarger | Wrench | quick adjust wrenches |
| 442,153 | Dec. 09, 1890 | J.A. Traut | Buckle | |
| 442,640 | Dec. 16, 1890 | F.H. Richards | Regulator for grain-scales | |
| 442,711 | Dec. 16, 1890 | F.H. Richards | Regulator for grain-scales | |
| 442,712 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
| 442,713 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
