| Patents Granted on 1871-06-20 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| RE4,429 | Jun. 20, 1871 | R.M. Hoe | Improvement in feeding paper to printing-presses | printing presses |
| D5,017 | Jun. 20, 1871 | T.K. Cook | Design For a Pipe-Wrench | pipe wrenches |
| 116,011 | Jun. 20, 1871 | E. Bartholomew | Improvement in ax-bit-blank machines | tool making machines |
| 116,027 | Jun. 20, 1871 | F. Coulon | Band Knives | knives and cutters |
| 116,074 | Jun. 20, 1871 | G.W. May | Improvement in saw-sets | saw sets |
| 116,075 | Jun. 20, 1871 | A.C. McQuaid | Improvement in tenoning-machines | tenoning machines |
| 116,077 | Jun. 20, 1871 | J.A. Morrison | Improvement in Wrenches and Pipe-Tongs | pipe tongs |
| 116,089 | Jun. 20, 1871 | G.W. Passel | Improvement in tenoning-machines | tenoning machines |
| 116,090 | Jun. 20, 1871 | W.S. Pattin | Improvement in Extension-Shanks for Boring-Bits | drill bit extensions |
| 116,131 | Jun. 20, 1871 | H.R. Worthington | Improvement in steam pumping-engines | steam pumping engines |
| 116,134 | Jun. 20, 1871 | J. Yocom, Jr. | Improvement in split castings | foundryman |
| 116,151 | Jun. 20, 1871 | T.E. Button, L. Button | Improvement in Steam Fire Engines | steam fire engines |
| 116,155 | Jun. 20, 1871 | D.H. Chamberlain | Improvement in taps or faucets for bottles | champagne and soda tools |
| 116,178 | Jun. 20, 1871 | J.W. Wilkins, C.S. Griffin | Improvement in dovetailing-machines | dovetailing machines |
| 116,181 | Jun. 20, 1871 | S.W. Harris | Improvement in sawmills | reciprocating sawmills |
