| Patents for John Greenwood & Co. |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 11,858 | Oct. 31, 1854 | H.H. Evarts | Shingle machine |
 | 24,458 | Jun. 21, 1859 | J. Greenwood | Machine for chamfering barrel-heads |
 | 46,661 | Mar. 07, 1865 | J. Greenwood | Improvement in machines for making heads to barrels |
 | 70,393 | Nov. 05, 1867 | G.L. Benton | Improved emery-wheels for grinding and polishing saws, &c. |
 | 79,651 | Jul. 07, 1868 | J. Greenwood | Improvement in machines for cutting staves |
 | 127,478 | Jun. 04, 1872 | J. Greenwood | Improvement in machines for crozing and chamfering barrels |
 | 145,942 | Dec. 30, 1873 | J. Greenwood | Improvement in machines for forcing hoops on barrels |
 | 167,166 | Aug. 31, 1875 | J. Greenwood | Improvement in machines for chamfering and crozing barrels |
 | RE7,093 | May 02, 1876 | J. Greenwood | Improvement in machines for crozing and chamfering barrels |
 | 199,056 | Jan. 08, 1878 | J. Greenwood | Hoop-making machine |
