| Patents for Pratt & Whitney Co. |
Patents 61 -
75
of 261
      |
| Number | Date | Patentee | Title | Type |
| 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 | |
| 442,719 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
| 442,720 | Dec. 16, 1890 | F.H. Richards | Grain-weigher | |
| 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 | |
| 443,718 | Dec. 30, 1890 | F.H. Richards | Grain-weigher | |
