| Patents for Francis H. Richards |
Patents 31 -
45
of 82
      |
| Number | Date | Patentee | Title | Type |
| 442,714 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
| 442,715 | Dec. 16, 1890 | F.H. Richards | Regulator grain-weigher | |
| 442,716 | Dec. 16, 1890 | F.H. Richards | Regulator grain-weigher | |
| 442,717 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
| 442,718 | Dec. 16, 1890 | F.H. Richards | Grain-meter | |
| 442,719 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
| 442,720 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
| 442,859 | Dec. 16, 1890 | F.H. Richards, C.H. Cooley | Grain-weigher | |
| 442,860 | Dec. 16, 1890 | F.H. Richards, C.H. Cooley | Grain-weigher | |
| 442,861 | Dec. 16, 1890 | F.H. Richards, C.H. Cooley | Grain-weigher | |
| 443,245 | Dec. 23, 1890 | J.A. Traut | Buckle | |
| 443,718 | Dec. 30, 1890 | F.H. Richards | Grain-weigher | |
| 443,933 | Dec. 30, 1890 | F.H. Richards, C.H. Cooley | Grain-weigher | |
| 447,719 | Mar. 03, 1891 | F.H. Richards | Register for Grain Weighers | grain scales |
| 452,053 | May 12, 1891 | F.H. Richards | Multiple drilling-machine | multiple spindle drill presses |
