Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 75,741
Improvement in railroad-switches
Patentees:
J. A. Kaufman - Mechanicsburg, PA
George L. Du Laney - Mechanicsburg, PA

USPTO Classifications:
246/315, 246/329, 246/370

Tool Categories:
transportation machines : railroads and railways : track and switches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Eli Beck
Henry Hall

Patent Dates:
Granted: Mar. 24, 1868

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions

Copyright © 2002-2017 - DATAMP