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Patent number:
Patent Date:
US Patent: 438,861
Saw-swaging machine
Patentee:
Elisha B. Rich (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
76/54
,
76/77
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
:
saw sharpening machines
Assignees:
None
Manufacturer:
E. B. Rich & Son
- Chicago, IL
Witnesses:
Celeste P. Chapman
Davida J. Johnson
Patent Dates:
Applied:
Dec. 10, 1889
Granted:
Oct. 21, 1890
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for E. B. Rich & Son
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