| All Patents in class 65/171 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 576,074 | Jan. 26, 1897 | M.J. Owens, H.J. Colburn | Glass-blowing machine |
| | 620,642 | Mar. 07, 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 |
| | 659,289 | Oct. 09, 1900 | H.J. Colburn | Glass-blowing machine |
| | 698,817 | Apr. 29, 1902 | H.J. Colburn | Glass-blowing machine |
| | 698,818 | Apr. 29, 1902 | L.H. Colburn | Glass-blowing machine |
| | 754,426 | Mar. 15, 1904 | I.W. Colburn | Glass-working machine |
| | 766,932 | Aug. 09, 1904 | I.W. Colburn | Glass-working machine |
