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US Patent: 4,453
Improvement in electro-magnetic telegraphs
Patentee:
Samuel F. B. Morse (exact or similar names) - Poughkeepsie, NY

USPTO Classifications:
178/74, 178/92, 178/95

Tool Categories:
specialty machines : telegraphy apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Apr. 11, 1846

Reissue Information:
Reissued as RE118 (Jun. 13, 1848)

Patent Pictures:
USPTO (New site tip)
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