| Patents for M. B. Harris |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 379,123 | Mar. 06, 1888 | H. Parmelee | Pipe Wrench | chain and strap wrenches |
| 414,771 | Nov. 12, 1889 | G.T. Hutchinson | Improvements in Nut-Detachers For Vehicle Wheels | axle nut wrenches that lock nut to wheel hub |
| 419,854 | Jan. 21, 1890 | D.J. Hersey | Pipe Wrench | pipe wrenches |
| 455,859 | Jul. 14, 1891 | A.J. Smart | Tap Wrench | tap wrenches and die stocks |
| 473,098 | Apr. 19, 1892 | R.A. Underwood | Weather-Board Gage | clapboard markers |
| 575,671 | Jan. 19, 1897 | J.B. Smith, G.W. Watt | Telescoping Measuring-Rule | measuring rods |
