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US Patent: 1,890,212
Whistle and the like
Patentee:
Arthur L. Bridgham (exact or similar names) - Boston, MA

USPTO Classifications:
116/137A, 116/DIG.019

Tool Categories:
propulsion and energy : steam apparatus : steam whistles

Assignees:
Charles H. Sherburne - Boston, MA

Manufacturer:
Sherburne Co. - Boston, MA

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 19, 1932
Granted: Dec. 06, 1932

Patent Pictures:
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