| Patents Granted on 1892-12-20 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 488,180 | Dec. 20, 1892 | W.M. Buchnau | Thill Support | axle nut wrenches |
| 488,197 | Dec. 20, 1892 | H. Hackney | Belt-tightener | industrial machine pulleys and belt drive mechanisms |
| 488,235 | Dec. 20, 1892 | G.H. Webb | Center Piece for the Grates of Forge Furnaces | forges |
| 488,280 | Dec. 20, 1892 | J.P. Lavigne | Micrometer Gage | micrometers |
| 488,281 | Dec. 20, 1892 | J.P. Lavigne | Micrometer Gage | micrometers |
| 488,315 | Dec. 20, 1892 | A. Kane | Vise | bench vises |
| 488,336 | Dec. 20, 1892 | J.O. Kendall, I.N. Kendall | Removable Saw Tooth | bandsaws |
| 488,368 | Dec. 20, 1892 | J. Sabourin, D.C. Sabourin | Vise | woodworkers vises |
| 488,372 | Dec. 20, 1892 | H.W. Tingley | Rotary-knife lathe | wood lathes |
| 488,431 | Dec. 20, 1892 | J.H. Gregory | Wrench | pipe wrenches |
| 488,463 | Dec. 20, 1892 | D.B. Whitehill | Auger-Handle | auger handles |
| 488,483 | Dec. 20, 1892 | J.W. Raymond | Gas Engine | internal combustion engine governors |
