Patents for Leslie H. Colburn |
Patents 1 -
10
of 13
      |
Picture | Number | Date | Patentee | Title |
| 350,998 | Oct. 19, 1886 | W. Sheridon | Car-coupling |
 | 477,737 | Jun. 28, 1892 | L.H. Colburn | Slotting Machine |
| 568,429 | Sep. 29, 1896 | H.J. Colburn | Safe |
 | 599,054 | Feb. 15, 1898 | L.H. Colburn | Machine for Cutting Slots |
| 599,551 | Feb. 22, 1898 | L.H. Colburn | Upright Boring and Turning Machine |
| 659,290 | Oct. 09, 1900 | L.H. Colburn | Glass-blowing machine |
| 659,291 | Oct. 09, 1900 | L.H. Colburn | Glass-blowing machine |
| 698,818 | Apr. 29, 1902 | L.H. Colburn | Glass-blowing machine |
| 742,291 | Oct. 27, 1903 | L.H. Colburn | Upright Tapping and Boring Machine |
| 748,844 | Jan. 05, 1904 | L.H. Colburn | Slotting Machine |