| Patents for H. S. Sprague |
Patents 1 -
50
of 99
      |
| Picture | Number | Date | Patentee | Title |
 | 75,552 | Mar. 17, 1868 | H.N. King | Woodworker's Leg Vise Jaw |
 | 82,926 | Oct. 13, 1868 | L. Phillips, F.A. Deland | Improvement in mortising-machines |
 | 84,722 | Dec. 08, 1868 | J.L. Warren | Improvement in saws |
 | 98,475 | Jan. 04, 1870 | J. Davies | Improvement in Spoke-Shave |
 | 101,249 | Mar. 29, 1870 | J. Flower | Improvement in Lathes for Squared Nuts, etc. |
 | 101,258 | Mar. 29, 1870 | G.B. Goodnow | Improvement in saws |
 | 101,343 | Mar. 29, 1870 | E. Andrews | Improvement in saw-mills |
 | 111,164 | Jan. 24, 1871 | E. Andrews | Improvement in saws |
 | 112,883 | Mar. 21, 1871 | E. Andrews | Improvement in saw-mills |
 | 118,806 | Sep. 12, 1871 | R.M. Lafferty, E.P. Smith | Improvement in augers |
 | 128,189 | Jun. 18, 1872 | C.A. Towar | Improvement in wood-sawing machines |
 | 129,378 | Jul. 16, 1872 | J.B. Wayne | Improvement in head-blocks for sawmills |
 | 131,252 | Sep. 10, 1872 | J. Craig | Improvement in Self-Adjusting Pipe Wrenches |
 | 133,135 | Nov. 19, 1872 | A.A. Wilder | Improvement in bolt-machines |
 | RE5,187 | Dec. 17, 1872 | E.C. Dicey | Improvement in machines for turning logs |
 | 136,807 | Mar. 18, 1873 | H. Balcom | Improvement in machines for pointing pickets |
 | 136,886 | Mar. 18, 1873 | A.A. Wilder | Improvement in dummy or traction engines |
 | 138,270 | Apr. 29, 1873 | J.C. Moore | Improvement in log-turners |
 | 138,505 | May 06, 1873 | T.J. Frazier, C. Lamb | Improvement in machines for trimming lumber |
 | 140,136 | Jun. 24, 1873 | N.J. Holt, J. Leach | Improvement in clamps |
 | 142,731 | Sep. 09, 1873 | E.G. Richards | Improvement in cutter-heads for planing-machines |
 | 142,733 | Sep. 09, 1873 | H.C. Rosin | Improvement in circular-saw tables |
 | 148,316 | Mar. 10, 1874 | G.C. Miller | Improvement in Try-Squares and Bevels |
 | 149,052 | Mar. 31, 1874 | G.C. Miller | Improvement in Dividers |
 | 150,534 | May 05, 1874 | T. Craney | Improvement in saw-mill dogs |
 | 156,193 | Oct. 20, 1874 | J.B. Wayne | Improvement in saw-mills |
 | 157,168 | Nov. 24, 1874 | J.A. Fordon | Improvement in saw-mill dogs |
 | 162,356 | Apr. 20, 1875 | T. Doyle | Improvement in saw-filing machines |
 | 165,555 | Jul. 13, 1875 | H. Fowler | Improvement in machines for cutting hoops |
 | RE6,777 | Nov. 30, 1875 | G.H. Shearer | Improvement in log-turners for saw-mill |
 | 193,373 | Jul. 24, 1877 | J.H. Lewis | Improvement in Hand-Tools for Working Moldings |
 | 195,180 | Sep. 11, 1877 | J.B. Stockham | Improvement in cutter-heads |
 | 196,064 | Oct. 09, 1877 | A.A. Wilder | Improvement in bolt-locks for rail-joints |
 | 196,691 | Oct. 30, 1877 | S. Head, J. Miller | Improvement in machines for sawing staves |
 | 197,465 | Nov. 27, 1877 | R.E. Gleason | Improvement in log-turners |
 | 202,136 | Apr. 09, 1878 | A.E. Barthel | Combined Gun-Tool and Whistle |
 | 202,197 | Apr. 09, 1878 | B.M. Sherman | Improvement in lifting-jacks |
 | 209,472 | Oct. 29, 1878 | W. Goldie | Shingle-cutting machine |
 | 211,516 | Jan. 21, 1879 | J.H. Lewis | Improvement in Bench Planes |
 | 211,790 | Jan. 28, 1879 | G.W. Rodebaugh | Improvement in saw-mill dogs |
 | 213,103 | Mar. 11, 1879 | W. Goldie | Shingle-cutting machine |
 | 215,379 | May 13, 1879 | H.M. Loud | Improvement in sawing and planing lumber |
 | 218,005 | Jul. 29, 1879 | J.G. Emery | Improvement in lumber-trimming machines |
 | 219,086 | Sep. 02, 1879 | W. Goldie | Improvement in shingle-cutting machines |
 | 220,342 | Oct. 07, 1879 | J.W. Cheney | Improvement in Combined Anvil and Vise |
 | 221,344 | Nov. 04, 1879 | R.H. Nogar | Hoop machine |
 | 222,297 | Dec. 02, 1879 | J. Michels | Improvement in hoop sawing and finishing machines |
 | 223,968 | Jan. 27, 1880 | A.F. Ward | Hoop-coiling machine |
 | 223,997 | Feb. 03, 1880 | T. Craney | Saw-mill dog |
 | 225,075 | Mar. 02, 1880 | G.A. Raupp | Barrel-hoop machine |
