| All Patents of Type: nautical fog signals |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| NS-16 | Jun. 22, 1852 | T. Robson | Fog bell or gong for giving notice of danger to vessels approaching rocks | nautical fog signals |
| NS-17 | Jun. 22, 1852 | T. Robson | Improvements in a horizontal windmill, or pneumatic machine for impelling a hammer or tongue, &c. | wind power apparatus |
| NF-3 | Oct. 05, 1852 | T. Robson | Improved fog bell or gong, and pneumatic machine for working the same | nautical fog signals |
| 236,772 | Jan. 18, 1881 | F. Brown | Fog-signal | nautical fog signals |
| CA-12,302 | Feb. 01, 1881 | F. Brown | Improvement on fog signals | nautical fog signals |
| 284,807 | Sep. 11, 1883 | F. Brown | Fog Signal | nautical fog signals |
| NF-1,904,001 | Feb. 01, 1904 | J.P. Northey | Sound producing devices for syrens and like instruments | nautical fog signals |
| NF-1,906,027 | Oct. 01, 1906 | J.P. Northey | Improvements in sound producing devices, suitable for syrens and like instruments | nautical fog signals |
| NF-1,911,014 | Jun. 26, 1911 | J.P. Northey | Sound producing devices for fog signalling, position locating, and the like | nautical fog signals |
