| Patents for Franklin Hardinge |
Patents 16 -
30
of 56
      |
| Number | Date | Patentee | Title | Type |
| RE13,743 | Jun. 09, 1914 | F. Hardinge | Watchman's clock | |
| 1,107,609 | Aug. 18, 1914 | F. Hardinge | Machine bench | |
| 1,188,349 | Jun. 20, 1916 | F. Hardinge | Key for watchmen's clocks | |
| RE14,193 | Sep. 19, 1916 | F. Hardinge | Watchman's clock | clockmaker |
| 1,223,581 | Apr. 24, 1917 | F. Hardinge | Watchman's clock | |
| 1,226,657 | May 22, 1917 | F. Hardinge | Tool holder | metal lathe accessories and attachments |
| 1,252,346 | Jan. 01, 1918 | F. Hardinge | Lathe headstock | metal lathes |
| 1,267,406 | May 28, 1918 | F. Hardinge | Watchman's clock | |
| 1,280,215 | Oct. 01, 1918 | F. Hardinge | Quick change swing precision lathe | metal lathes |
| 1,282,821 | Oct. 29, 1918 | F. Hardinge | Apron mechanism for lathes | metal lathes |
| 1,285,693 | Nov. 26, 1918 | F. Hardinge | Carriage feed mechanism for lathes | metal lathes |
| 1,285,694 | Nov. 26, 1918 | F. Hardinge | Carriage feed mechanism for lathes | metal lathes |
| 1,290,550 | Jan. 07, 1919 | F. Hardinge | Cross slide mechanism for lathes | metal lathes |
| 1,311,969 | Aug. 05, 1919 | F. Hardinge | Counter shaft | industrial machine pulleys and belt drive mechanisms |
| 1,315,832 | Sep. 09, 1919 | F. Hardinge | Seal for fastening devices | |
