| Patents for J. R. Drake |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
 | 66,972 | Jul. 23, 1867 | J.L. Lay | Compound Steam Engine |
 | 92,662 | Jul. 13, 1869 | R.W. English, J.D. Shepard | Improved hinge |
 | 96,520 | Nov. 02, 1869 | J. Weeks | Weighing Scales |
 | 96,776 | Nov. 16, 1869 | J.W. Close | Improvement in Combined Screw and Pipe-Wrench and Pipe-Cutter |
 | D4,031 | May 17, 1870 | H.H. Evarts | Design for a dovetail |
 | 104,001 | Jun. 07, 1870 | H.H. Evarts | Improvement in dovetailing-machine |
| | 106,775 | Aug. 30, 1870 | W. Bowden | Improved machine for upsetting tires |
 | 110,232 | Dec. 20, 1870 | T. Hanvey | Improvement in barrels |
 | 118,453 | Aug. 29, 1871 | G.J. Hill | Improvement in Bottle and Box Openers |
 | 118,463 | Aug. 29, 1871 | C. Levey | Improvement in steam-engines |
