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Patent number:
Patent Date:
US Patent: 469,655
Elevator-controller
Patentee:
Edwin S. Matthews (
exact
or
similar
names) - Cincinnati, OH
USPTO Classifications:
187/311
,
235/144M
Tool Categories:
Assignees:
Edwin S. Matthews
- Cincinnati, OH
James L. Haven
- Cincinnati, OH
Manufacturer:
Not known to have been produced
Witnesses:
M. H. Folger
William A. Haven
Patent Dates:
Applied:
Jun. 04, 1891
Granted:
Feb. 23, 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.
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