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Patent number:
Patent Date:
US Patent: 621,795
Glass-working machine
Patentee:
Irving W. Colburn (
exact
or
similar
names) - Toledo, OH
USPTO Classifications:
65/171
,
65/227
,
65/301
,
65/355
Tool Categories:
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Alexander S. Steuart
Henry H. Bates
Patent Dates:
Applied:
Feb. 28, 1898
Granted:
Mar. 28, 1899
Patent Pictures:
USPTO
(New site tip)
Google Patents
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