Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,512,823
Micrometer Caliper
Patentee:
Philip J. Darlington (exact or similar names) - Boston, Suffolk County, MA

USPTO Classifications:
33/501, 33/818

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 04, 1922
Granted: Oct. 21, 1924

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Copyright © 2002-2024 - DATAMP