| Patents for M. W. Frothingham |
Patents 1 -
10
of 34
      |
| Picture | Number | Date | Patentee | Title |
 | 54,519 | May 08, 1866 | W. Fitzgerald | Lathe Gearing |
 | 64,286 | Apr. 30, 1867 | L.O. Crocker, G.F. Field | Ticket-Cutter |
| | 79,131 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Grinding Plate Glass |
| | 79,132 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Polishing Glass |
 | 90,620 | May 25, 1869 | C.V. Woerd | Lathe for Grinding and Polishing Pivots of Watch work |
 | 112,759 | Mar. 14, 1871 | H.K. White | Lathe dog |
 | 119,678 | Oct. 03, 1871 | J.W. White | Improvement in saws for sawing fret-holes in fan-sticks |
 | 122,349 | Jan. 02, 1872 | E.A. Archibald | Improvement in machines for making wheels |
 | 123,433 | Feb. 06, 1872 | A. Weed | Improvement in file-gripping handles |
 | 123,652 | Feb. 13, 1872 | A. Weed | Improvement in tool-handles |
