| Patents for Irving W. Colburn | 
| Patents 1 - 
					15
					of 15 
       | 
| Number | Date | Patentee | Title | Type | 
| 243,214 | Jun. 21, 1881 | I.W. Colburn, H.J. Colburn | Acoustic telephone | communication apparatus | 
| 372,012 | Oct. 25, 1887 | I.W. Colburn | Electrical resistance-board | electrical devices | 
| 568,429 | Sep. 29, 1896 | H.J. Colburn | Safe |  | 
| 620,567 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine |  | 
| 620,568 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine |  | 
| 620,642 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine |  | 
| 621,794 | Mar. 28, 1899 | I.W. Colburn | Glass-working machine |  | 
| 621,795 | Mar. 28, 1899 | I.W. Colburn | Glass-working machine |  | 
| 626,859 | Jun. 13, 1899 | I.W. Colburn | Glass-working machine |  | 
| 696,008 | Mar. 25, 1902 | I.W. Colburn | Glass-working machine |  | 
| 711,287 | Oct. 14, 1902 | I.W. Colburn | Glass-working machine |  | 
| 754,426 | Mar. 15, 1904 | I.W. Colburn | Glass-working machine |  | 
| 766,932 | Aug. 09, 1904 | I.W. Colburn | Glass-working machine |  | 
| 767,391 | Aug. 16, 1904 | I.W. Colburn | Glass-working machine |  | 
| RE14,794 | Jan. 27, 1920 | I.W. Colburn | Method of and apparatus for drawing sheet-glass |  |