Patents for Albert W. Gray |
Patents 1 -
9
of 9
|
Number | Date | Patentee | Title | Type |
9,562X | Mar. 31, 1836 | A.W. Gray | Corn sheller | corn shellers |
2,833 | Oct. 26, 1842 | A.W. Gray | Endless-chain horse-power | animal powered apparatus |
4,525 | May 16, 1846 | A.W. Gray | Wrought-nail machinery | nail making machines |
15,693 | Sep. 09, 1856 | A.W. Gray | Link of horse-powers | animal powered apparatus |
RE1,322 | Jul. 01, 1862 | A.W. Gray | Improvement in horse-powers | animal powered apparatus |
133,773 | Dec. 10, 1872 | A.W. Gray | Improvement in machines for corrugating metal plates | |
141,268 | Jul. 29, 1873 | A.W. Gray | Improvement in links of endless chains for horse-powers | animal powered apparatus |
157,990 | Dec. 22, 1874 | A.W. Gray | Improvement in bolt or rod cutters | |
166,456 | Aug. 10, 1875 | A.W. Gray | Improvement in grain-separators | corn and grain separators |