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US Patent: 152,332
Improvement in oilers
Patentee:
Dexter H. Chamberlain (exact or similar names) - West Roxbury, MA

USPTO Classifications:
222/211, 222/214, 222/376, 222/397

Tool Categories:
industrial tools : tool lubricators : oil cans

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alban Andrén
John R. Heard

Patent Dates:
Applied: Apr. 25, 1874
Granted: Jun. 23, 1874

Patent Pictures:
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