Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 184,686
Machines for Tapping Pipes Under Pressure
Patentee:
John Miller - Cambridgeport, Middlesex County, MA

USPTO Classifications:
137/318, 408/137, 408/97

Tool Categories:
trade specific : plumber

Assignees:
None

Manufacturer:
Walworth Mfg. Co. - Cambridgeport, Middlesex County, MA

Witnesses:
F. P. Hale
F. C. Hale
George Gray

Patent Dates:
Applied: Apr. 24, 1876
Granted: Nov. 21, 1876

Patent Pictures: [ 1 | 2 | 3 | 4 ]
USPTO pdf tiff
Google Patents
Report data errors or omissions

Copyright © 2002-2020 - DATAMP