| Patents for M. W. Frothingham | 
| Patents 1 - 
					15
					of 34 
       | 
| Number | Date | Patentee | Title | Type | 
| 54,519 | May 08, 1866 | W. Fitzgerald | Lathe Gearing | industrial machine gearing | 
| 64,286 | Apr. 30, 1867 | L.O. Crocker, G.F. Field | Ticket-Cutter | ticket | 
| 79,131 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Grinding Plate Glass | glassmaker | 
| 79,132 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Polishing Glass | polishing and buffing machinery | 
| 90,620 | May 25, 1869 | C.V. Woerd | Lathe for Grinding and Polishing Pivots of Watch work | watchmakers lathes | 
| 112,759 | Mar. 14, 1871 | H.K. White | Lathe dog | wood lathe accessories | 
| 119,678 | Oct. 03, 1871 | J.W. White | Improvement in saws for sawing fret-holes in fan-sticks | special purpose saws | 
| 122,349 | Jan. 02, 1872 | E.A. Archibald | Improvement in machines for making wheels | wheelwright | 
| 123,433 | Feb. 06, 1872 | A. Weed | Improvement in file-gripping handles | files | 
| 123,652 | Feb. 13, 1872 | A. Weed | Improvement in tool-handles | files | 
| 123,849 | Feb. 20, 1872 | A. Weed | Improvement in machines for cutting files | file cutting machines | 
| 125,948 | Apr. 23, 1872 | A.S. Gear | Oscillating spindle sander | foundryman | 
| 126,198 | Apr. 30, 1872 | A.S. Gear | Improvement in molding and carving machines | panel raising machines | 
| 127,363 | May 28, 1872 | A. Partridge | Improvement in Mallets | mallets | 
| 127,541 | Jun. 04, 1872 | S.M. Adams | Improved Plane-Stock | plane beds |