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US Patent: 195,340
Improvement in oilers
Patentee:
Dexter H. Chamberlain (exact or similar names) - Boston, MA

USPTO Classifications:
222/207

Tool Categories:
industrial tools : tool lubricators : oil cans

Assignees:
William H. Ireland - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Alban Andrén
F. Allen

Patent Dates:
Applied: May 23, 1871
Granted: Sep. 18, 1877

Patent Pictures:
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