Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 186,890
Improvement in screw-cutting dies
Patentee:
Albert J. Smart (exact or similar names) - Greenfield, MA

USPTO Classifications:
408/162, 408/180

Tool Categories:
industrial tools : taps and dies
metalworking tools : taps and dies

Assignees:
Wiley & Russell Manufacturing Co. - Greenfield, MA

Manufacturer:
Wiley & Russell Manufacturing Co. - Greenfield, MA

Witnesses:
Dwight B. Kellogg
Philipp Tubalt

Patent Dates:
Applied: May 10, 1876
Granted: Jan. 30, 1877

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Wiley & Russell Manufacturing Co.

Copyright © 2002-2024 - DATAMP