| Patents for Charles H. Cooley |
Patents 1 -
10
of 12
      |
| 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 |
| | 421,556 | Feb. 18, 1890 | C.H. Cooley | Automatic regulator for grain-scales |
| | 434,702 | Aug. 19, 1890 | F.H. Richards, C.H. Cooley | Grain-weigher |
| | 440,740 | Nov. 18, 1890 | F.H. Richards, C.H. Cooley | Scale-beam for grain-weighers |
| | 442,722 | Dec. 16, 1890 | C.H. Cooley | Grain-weigher |
| | 442,723 | Dec. 16, 1890 | C.H. Cooley | 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 |
