| Patents for J. L. Wartmann |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
 | RE3,939 | Apr. 26, 1870 | S. Males | Improvement in urinals |
 | 102,400 | Apr. 26, 1870 | P.J. Hogan | Improvement in detachable saw-teeth |
 | 105,120 | Jul. 05, 1870 | M.G. Ogden | Improvement in scroll-saws |
 | 107,187 | Sep. 06, 1870 | S. Males | Improvement in cider-mills |
 | 107,188 | Sep. 06, 1870 | S. Males | Improvement in urinals |
 | 110,119 | Dec. 13, 1870 | P.M. Cummings | Improvement in head-blocks |
 | 113,651 | Apr. 11, 1871 | G.A. Gray, Jr. | Improvement in turning and boring-mills |
 | 114,670 | May 09, 1871 | G.A. Gray, Jr. | Improvement in Railroad Car-Axle Lathes |
 | 135,549 | Feb. 04, 1873 | H.W. Hewet | Improvements in Card-Punching Instruments for Railroad Conductors' Use |
 | 136,253 | Feb. 25, 1873 | J.M. Long | Power Hammers |
