| Patents for Charles H. Cooley |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 402,510 | Apr. 30, 1889 | C.H. Cooley | Valve Operating Mechcanism for Grain Scales | grain scales |
| 403,988 | May 28, 1889 | C.H. Cooley | Automatic Grain Scales | 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 | |
| 443,569 | Dec. 30, 1890 | C.H. Cooley | Grain-weigher | |
| 443,933 | Dec. 30, 1890 | F.H. Richards, C.H. Cooley | Grain-weigher | |
