| Patents for Milon Pratt |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 141,380 | Jul. 29, 1873 | M. Pratt | Improvement in machines for shaping piano-keys | music instrument maker |
| 156,498 | Nov. 03, 1874 | M. Pratt | Improvement in machines for trimming keys of musical instruments | music instrument maker |
| 162,417 | Apr. 20, 1875 | M. Pratt | Improvement in devices for shaping piano-keys | wood shapers |
| RE6,455 | May 25, 1875 | M. Pratt | Improvement in machines for trimming keys of musical instruments | specialty woodworking machines |
| 165,024 | Jun. 29, 1875 | M. Pratt | Improvement in the manufacture of key-boards for organs, etc. | music instrument maker |
| 170,394 | Nov. 23, 1875 | M. Pratt | Improvement in machines for slotting and drilling clothes-clamps | clothespin machines |
| 195,902 | Oct. 09, 1877 | M. Pratt | Improvement in machines for smoothing ivory key-boards | music instrument maker |
