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NF Patent: NF-1,904,001
Sound producing devices for syrens and like instruments
Patentee:
John Pell Northey (exact or similar names) - Toronto, ON Canada

USPTO Classifications:

Tool Categories:
transportation : nautical : nautical fog signals

Assignees:
None

Manufacturer:
Diaphone Signal Co. - Toronto, ON Canada

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 01, 1904

Patent Pictures:
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Thomas Northey
Description:
Newfoundland did not assign patent numbers; for Newfoundland patents issued after 1869 we have synthesized numbers as the year multiplied by 1000, plus the number of the patent for that year.

The inventor was the son of steam-engine manufacturer Thomas Northey, whose firm became Northey & Co. and then Northey Mfg. Co., Ltd.; the Diaphone Signal Co. was a spin-off, created to manufacture foghorns and similar devices.

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