| Patents Granted on 1887-12-20 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 374,928 | Dec. 20, 1887 | H. Bowhall | Wrench | quick adjust wrenches |
| 374,933 | Dec. 20, 1887 | G.W. Trusty, J.W. Burt | Coffee Roaster | coffee roasters |
| 374,945 | Dec. 20, 1887 | F.B. Deming | Hub-Boring Machine | |
| 374,946 | Dec. 20, 1887 | C.H. Douglas | Chain mortising machine | mortising machines |
| 374,953 | Dec. 20, 1887 | J.P. Ferrenburg | Shingle machine | shingle machines |
| 374,968 | Dec. 20, 1887 | B.F. Kadel | Gas or Gasoline Engine | gas and gasoline engines |
| 374,994 | Dec. 20, 1887 | F.N. Pepperling | Drag-saw | drag saws |
| 375,032 | Dec. 20, 1887 | C.H. Weston | Lock for Lathe Head Stocks | metal lathes |
| 375,037 | Dec. 20, 1887 | A. Wood | Bolt Cutter | nut or bolt making machines |
| 375,049 | Dec. 20, 1887 | M. Coughlin | Bevel Protractor | protractors |
| 375,059 | Dec. 20, 1887 | C. Francis | Tool Holder | lathe tool holders and tool posts |
| 375,088 | Dec. 20, 1887 | C. Morrill | Saw-Set | saw sets |
| 375,119 | Dec. 20, 1887 | W.H. Brock | Chain Wrench | chain and strap wrenches |
| 375,122 | Dec. 20, 1887 | T.P. Chen | Wood splitting and chopping machine | firewood machines |
| 375,155 | Dec. 20, 1887 | J.M. Haynes | Wrench | chain and strap wrenches |
