Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 4,453
Improvement in electro-magnetic telegraphs
Patentee:
Samuel F. B. Morse - 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 pdf tiff
Google Patents
Report data errors or omissions

Copyright © 2002-2017 - DATAMP