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Patent number:
Patent Date:
US Patent: 150,524
Improvement in plow-beams
Patentee:
John C. Butterfield (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
172/754
Tool Categories:
agricultural
:
plows
Assignees:
Byron C. Bradley
- Chicago, IL
John C. Butterfield
- Chicago, IL
Manufacturer:
Not known to have been produced
Witnesses:
I. H. Elliott
G. L. Chapin
Patent Dates:
Applied:
Feb. 07, 1874
Granted:
May 05, 1874
Patent Pictures:
USPTO
(New site tip)
Google Patents
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