Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 472,930
Controller for elevators
Patentee:
Edwin S. Matthews (exact or similar names) - Cincinnati, OH

USPTO Classifications:
187/311

Tool Categories:

Assignees:
Edwin S. Matthews - Cincinnati, OH
James L. Haven - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
J. W. See
James Fitton

Patent Dates:
Applied: Jan. 25, 1892
Granted: Apr. 12, 1892

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for James L. Haven & Co.

Copyright © 2002-2024 - DATAMP