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| Patents for Ronello F. Pratt | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 313,283 | Mar. 03, 1885 | J.F. Bogan | Device for Reducing the Diameter of Metal Rods or Wires | |
| 390,899 | Oct. 09, 1888 | C.D. Wainwright, R.F. Pratt | Machine for Corrugating Wrought Metal Tubes | ||
 | 444,848 | Jan. 20, 1891 | R.F. Pratt | Saw-jointer | |