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| Patents for M. F. Bligh | |||||
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| Number | Date | Patentee | Title | Type | |
| 557,302 | Mar. 31, 1896 | C. Chretien | Combination Square | try squares | |
| 557,445 | Mar. 31, 1896 | F. Spalding | Micrometer Gage | micrometers | |
| 591,363 | Oct. 05, 1897 | F. Spalding | Calipers | calipers | |
| 597,335 | Jan. 11, 1898 | F. Spalding | Micrometer Depth Gage | micrometer depth gauges | |
| 603,037 | Apr. 26, 1898 | J.B. Chace | Thumb-hole-cutting machine | specialty woodworking machines | |
| 624,996 | May 16, 1899 | H. Thurston | Button | button making machinery | |