| Patents Granted on 1877-04-17 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 189,563 | Apr. 17, 1877 | G.F. Lindsay | Improvement in Leather-Cutting Gages | slitting gauges |
| 189,567 | Apr. 17, 1877 | E.R. Mathews | Pipe Wrench | pipe wrenches |
| 189,613 | Apr. 17, 1877 | E.C. Dicey | Improvement in lath machines | lath making machines |
| 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench | pipe wrenches |
| 189,621 | Apr. 17, 1877 | E.R. Girvin | Pipe-Tongs Or Wrenches | pipe wrenches |
| 189,628 | Apr. 17, 1877 | G.J. Kautz | Circular ripsaw for lumber mills | circular ripsaws |
| 189,635 | Apr. 17, 1877 | J.R. Locke | Improvement in oscillating cutter-heads for finishing spokes | wheelwright |
| 189,638 | Apr. 17, 1877 | H.J. Morton | Improvement in machines for sawing shingles | shingle machines |
| 189,651 | Apr. 17, 1877 | J. Powell | Lubricators for Steam Engines | oil cups |
| 189,652 | Apr. 17, 1877 | J. Powell | Chucks for Gas and Water Fittings | metal lathe chucks |
| 189,659 | Apr. 17, 1877 | G.B. Selden | Improvement in machines for splitting hoop-poles | hoop making machines |
| 189,681 | Apr. 17, 1877 | W.F. Barnes, J. Barnes | Improvement in sawing-machines | human powered machines |
| 189,719 | Apr. 17, 1877 | J. Flower | Taps and Dies | tap and die holders |
| 189,737 | Apr. 17, 1877 | C.B. Hopkins | Improvement in Shades for Try-Squares | try squares |
| 189,812 | Apr. 17, 1877 | A.W. Stossmeister | Improvement in molding-machines | molders |
