| All Patents in class 177/123 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 402,510 | Apr. 30, 1889 | C.H. Cooley | Valve Operating Mechcanism for Grain Scales |
 | 403,988 | May 28, 1889 | C.H. Cooley | Automatic Grain Scales |
| | 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 |
| | 442,714 | Dec. 16, 1890 | F.H. Richards | Grain-weigher |
| | 442,715 | 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 |
| | 442,722 | Dec. 16, 1890 | C.H. Cooley | Grain-weigher |
