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US Patent: 445,349
Lens Grinding Machine
Patentee:
William Bauch (exact or similar names) - Rochester, Monroe County, NY

USPTO Classifications:
451/164, 451/170, 74/44

Tool Categories:
specialty machines : glass grinding machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 14, 1890
Granted: Jan. 27, 1891

Patent Pictures:
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