| Patents Granted on 1891-05-12 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 451,991 | May 12, 1891 | J.A. Abbots | Carriage-Wrench | axle nut wrenches |
| 452,019 | May 12, 1891 | J.T. Pedersen | Spacing Instrument | measurement gauges |
| 452,053 | May 12, 1891 | F.H. Richards | Multiple drilling-machine | multiple spindle drill presses |
| 452,094 | May 12, 1891 | F.H. Brown | Stave-making machinery | barrel making machines |
| 452,110 | May 12, 1891 | F. McDonough | Self-feeding rip-saw machine | circular ripsaws |
| 452,144 | May 12, 1891 | S.F. Moore | Carving-machine | carving machines |
| 452,157 | May 12, 1891 | J. Holloran, J.B. Baird | Saw-gummer | saw gummers |
| 452,174 | May 12, 1891 | M.M. Barrett | Gas Engine Attachment | ignition systems |
| 452,184 | May 12, 1891 | F.A. Huntington | Power street-paving machine | |
| 452,219 | May 12, 1891 | C.W. Gage, A.S. Gage | Bandsaw veneer-cutter | bandsaws |
| 452,237 | May 12, 1891 | J.R. Robinson | Power Wrench | wrenches |
| 452,241 | May 12, 1891 | T.L. Smith | Feeding mechanism for carving-machines | carving machines |
| 452,248 | May 12, 1891 | G.A. Watkins | Cane-splicing machine | rattan machines |
| 452,309 | May 12, 1891 | R.E. Linham | Molding-cutter | cutters |
| 452,310 | May 12, 1891 | R.E. Linham | Molding-cutter | cutters |
