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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:
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