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 | |