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| Patents for M. P. Harwood | |||||
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| Number | Date | Patentee | Title | Type | |
| 148,090 | Mar. 03, 1874 | Q. Wright | Improvement in Bench-Planes | plane oilers | |
| D7,905 | Dec. 01, 1874 | T.E. Chandler | Design for a muley-saw frame | reciprocating sawmills | |
| 191,878 | Jun. 12, 1877 | C.R. Patterson | Shaper cutter-head | cutterheads | |