| Patents Granted on 1887-05-31 |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 363,831 | May 31, 1887 | A.B. Landis | Saw-mill dog | sawmill dogs |
| 363,901 | May 31, 1887 | W.C. Marr | Wrench | screw adjust wrenches |
| 363,928 | May 31, 1887 | C.E. Whitman | Baling-press | hay or straw binders |
| 363,942 | May 31, 1887 | F.L. Bailey | Engraver's Ruling Machine | metal engraving machines |
| 363,966 | May 31, 1887 | J. Price | Traction Engine | traction engine propulsion components |
| 363,988 | May 31, 1887 | J. Carson | Combined Square, Miter-Bevel and Level | bevels |
| 363,994 | May 31, 1887 | T. Draper | Ball Turning Lathe | wood lathes |
| 363,998 | May 31, 1887 | G.P. Evelyn | Spirit-Level | inclinometers |
| 364,043 | May 31, 1887 | C.S. Riché | Pantograph | pantographs |
| 364,049 | May 31, 1887 | W.F. Seargeant | Scribing Attachment | combination saws |
| 364,056 | May 31, 1887 | J.H. Smith | Weather-Board Gage | clapboard markers |
| 364,063 | May 31, 1887 | J. Thompson | Lumber Register | measuring apparatus |
| 364,067 | May 31, 1887 | O.D. Warfield | Calipers | calipers |
| 364,080 | May 31, 1887 | T. Barber | Tool Holder | tool holders |
| 364,082 | May 31, 1887 | B.F. Bell | Center Marking Device | center marking gauges |
