Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 664,995
Screw Thread Gage
Patentee:
Gustav Ernst - Jena, Saxe-Weimar, Germany

USPTO Classifications:
315/283, 33/199R, 33/555.4

Tool Categories:
metalworking tools : machinist tools : measuring tools : thread gages

Assignees:
Carl Zeiss - Jena, Saxe-Weimar, Germany

Manufacturer:
Not known to have been produced

Witnesses:
Emil Dornitz
Peter Kruger
Rudolf Fricke
B. H. Warner, Jr.

Patent Dates:
Applied: Feb. 15, 1899
Granted: Jan. 01, 1901

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

Copyright © 2002-2017 - DATAMP