| Patents for William S. Doig, Inc. |
Patents 1 -
15
of 31
      |
| Number | Date | Patentee | Title | Type |
| 253,559 | Feb. 14, 1882 | T.L. Smith, W.S. Doig | Nail-box | nailing machines |
| 265,166 | Sep. 26, 1882 | W.S. Doig, T.L. Smith | Nail-feeding mechanism | nailing machines |
| 276,639 | May 01, 1883 | W.S. Doig, T.L. Smith | Feeder for nailing-machines | nailing machines |
| 276,726 | May 01, 1883 | W.S. Doig, T.L. Smith | Box-nailing machine | nailing machines |
| 342,230 | May 18, 1886 | W.S. Doig, T.L. Smith | Box-nailing machine | nailing machines |
| 342,268 | May 18, 1886 | W.S. Doig, T.L. Smith | Box-nailing machine | nailing machines |
| CA-25,716 | Jan. 13, 1887 | W.S. Doig, T.L. Smith | Box nailing machine | nailing machines |
| 461,013 | Oct. 13, 1891 | W.S. Doig | Box-nailing machine | nailing machines |
| 461,014 | Oct. 13, 1891 | W.S. Doig | Nailing machine | nailing machines |
| CA-39,562 | Jul. 30, 1892 | W.S. Doig | Nailing machine | nailing machines |
| CA-39,568 | Jul. 30, 1892 | W.S. Doig | Machine for nailing boxes | nailing machines |
| 492,086 | Feb. 21, 1893 | W.S. Doig | Box-nailing machine | nailing machines |
| CA-42,938 | May 18, 1893 | W.S. Doig | Box nailing machine | nailing machines |
| 518,002 | Apr. 10, 1894 | W.S. Doig | Box-nailing-machine | nailing machines |
| 536,192 | Mar. 26, 1895 | W.S. Doig | Box-nailing machine | nailing machines |
