| Patents for W. M. Byorkman |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
 | 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 |
| | 442,640 | 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 |
| | 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 |
