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Patent number:
Patent Date:
US Patent: 445,983
Machine for Cutting or Slicing Minerals
Patentee:
William B. Dwight (
exact
or
similar
names) - Poughkeepsie, Dutchess County, NY
USPTO Classifications:
125/30.01
,
269/234
,
269/242
,
269/270
,
269/283
,
269/60
,
269/71
,
409/903
Tool Categories:
stoneworking
:
stone cutting machines
specialty machines
:
material cutting machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 18, 1890
Granted:
Feb. 10, 1891
Patent Pictures:
USPTO
(New site tip)
Google Patents
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