| Patents Granted on 1891-07-21 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 456,143 | Jul. 21, 1891 | H.J. Gilcher | Wrench | screw adjust wrenches |
| 456,189 | Jul. 21, 1891 | W.D. Arnot | Combination Tool | nut wrenches |
| 456,203 | Jul. 21, 1891 | G.H. Dayton, F.V. Phillips | Anti-rattler for thill-couplings | wagon and cart couplings |
| 456,233 | Jul. 21, 1891 | C.M. Everest | Lubricator | oil cups |
| 456,258 | Jul. 21, 1891 | A.F. Daniels, D.B. Hutton | Drill for Drilling Square Holes | drill bits |
| 456,265 | Jul. 21, 1891 | S. Boothroyd | Wrench | wrench jaw components |
| 456,276 | Jul. 21, 1891 | C.G. Parker | Machine for filing and setting saws | saw sharpening machines |
| 456,279 | Jul. 21, 1891 | W. Tucker | Cutting Off Tool for Lathes | lathe tools |
| 456,284 | Jul. 21, 1891 | C.H. Paxson, P.T. Coffield | Gas Engine | gas and gasoline engines |
| 456,300 | Jul. 21, 1891 | E. Dawson | Screw-Driver | ratcheting screwdrivers |
| 456,316 | Jul. 21, 1891 | J.A. Slater | Sad-iron-handle lathe | wood lathes |
| 456,317 | Jul. 21, 1891 | W.D. Snyder | Handle lathe | wood lathes |
| 456,331 | Jul. 21, 1891 | G.A. Hindes | Wooden Butt Gage | marking gauges |
| 456,346 | Jul. 21, 1891 | H.E. Stager | Steam-radiator attachment | steam heating |
| 456,351 | Jul. 21, 1891 | W.G. Adams | Rotary Engine | rotary steam engines |
