| Patents for Westcott Chuck Co. |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 136,349 | Feb. 25, 1873 | J.H. Westcott | Improvement in chucks | metal lathe chucks |
| 148,788 | Mar. 17, 1874 | J.H. Westcott | Improvement in Chucks for Metal Lathes | metal lathe chucks |
| 159,989 | Feb. 16, 1875 | J.H. Westcott | Improvement in chucks | metal lathe chucks |
| 308,541 | Nov. 25, 1884 | J.H. Westcott | Chuck | metal lathe chucks |
| 315,684 | Apr. 14, 1885 | J.H. Westcott | Drill-Chuck | drill press chucks |
| 315,685 | Apr. 14, 1885 | J.H. Westcott | Lathe-chuck | metal lathe accessories and attachments |
| 335,982 | Feb. 09, 1886 | J.H. Westcott | Lathe-chucks | metal lathe chucks |
| 343,411 | Jun. 08, 1886 | J.R. Westcott | Lathe-chuck | metal lathe chucks |
| 357,437 | Feb. 08, 1887 | J.H. Westcott | Lathe-chuck | metal lathe chucks |
| 470,369 | Mar. 08, 1892 | J.H. Westcott | Lathe-chuck | metal lathe chucks |
| 470,370 | Mar. 08, 1892 | J.H. Westcott | Lathe-chuck | metal lathe chucks |
| 527,227 | Oct. 09, 1894 | J.H. Westcott | Drill-chuck | drill press chucks |
| 685,890 | Nov. 05, 1901 | J.H. Westcott | Lathe Chuck | metal lathe chucks |
| 848,945 | Apr. 02, 1907 | J.H. Westcott | Compound vise | compound vises |
| 875,022 | Dec. 31, 1907 | J.H. Westcott | Chuck | metal lathe chucks |
