| Patents for Leslie H. Colburn |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 350,998 | Oct. 19, 1886 | W. Sheridon | Car-coupling | |
| 477,737 | Jun. 28, 1892 | L.H. Colburn | Slotting Machine | key seating machines |
| 568,429 | Sep. 29, 1896 | H.J. Colburn | Safe | |
| 599,054 | Feb. 15, 1898 | L.H. Colburn | Machine for Cutting Slots | key seating machines |
| 599,551 | Feb. 22, 1898 | L.H. Colburn | Upright Boring and Turning Machine | milling machines |
| 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 | drill presses |
| 748,844 | Jan. 05, 1904 | L.H. Colburn | Slotting Machine | key seating machines |
| 755,849 | Mar. 29, 1904 | L.H. Colburn | Vertical Shaper | metal shapers |
| 1,017,635 | Feb. 13, 1912 | L.H. Colburn | Automatic Tripping Device for the Feed Mechanism of Machine Tools | metalworking machine mechanisms |
| 1,068,324 | Jul. 22, 1913 | L.H. Colburn | Compound Table for Drill Presses | drill presses |
