| Patents Granted on 1881-09-06 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| RE9,857 | Sep. 06, 1881 | W.H. Guild, Jr. | Valve Action of Duplex Engines and Pumps | steam engine valves |
| 246,618 | Sep. 06, 1881 | T.P. Langley | Faucet | auxiliary wrenches |
| 246,703 | Sep. 06, 1881 | E.C. Atkins | Detachable saw-tooth | insertable saw teeth |
| 246,710 | Sep. 06, 1881 | G.W. Bean | Back-gear clutch for upright drills | industrial machine clutches |
| 246,722 | Sep. 06, 1881 | T.L. Carley | Head-block for saw-mills | sawmill headblocks |
| 246,742 | Sep. 06, 1881 | W.O. Foster | Doubletree and Tongue For Vehicles | auxiliary wrenches |
| 246,831 | Sep. 06, 1881 | C.W. Spickerman, J.R. Martin | Adjustable Siding Square or Hook | clapboard markers |
| 246,840 | Sep. 06, 1881 | J.M. Trackwell | Wood-boring machine | portable timber borers |
