Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,429,421
Fluid-power hammer
Patentees:
Ralph W. Nazel (exact or similar names) - Philadelphia, PA
Edward J. Fritsch (exact or similar names) - Philadelphia, PA

USPTO Classifications:
72/453.18, 91/399, 91/448

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
Ralph W. Nazel - Philadelphia, PA

Manufacturer:
Nazel Engineering & Machine Works - Philadelphia, PA

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 13, 1919
Granted: Sep. 19, 1922

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Nazel Engineering & Machine Works

Copyright © 2002-2024 - DATAMP