Patents for George A. Gray Jr. |
Patents 1 -
8
of 8
      |
Number | Date | Patentee | Title | Type |
26,266 | Nov. 29, 1859 | G.A. Gray, Jr. | Bench Vise | bench vises |
91,841 | Jun. 29, 1869 | G.A. Gray, Jr. | Nut Mandrel | mandrels and arbors |
97,908 | Dec. 14, 1869 | G.A. Gray, Jr. | Improved radial drilling-machine | drilling and boring |
113,651 | Apr. 11, 1871 | G.A. Gray, Jr. | Improvement in turning and boring-mills | vertical boring mills |
114,670 | May 09, 1871 | G.A. Gray, Jr. | Improvement in Railroad Car-Axle Lathes | axle lathes |
138,394 | Apr. 29, 1873 | G.A. Gray, Jr. | Machines for Turning Pulleys | pulley turning lathes |
252,760 | Jan. 24, 1882 | G.A. Gray, Jr. | Engine Lathe | metal lathes |
296,951 | Apr. 15, 1884 | G.A. Gray, Jr. | Metal Planing Machine | metal planers |