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US Patent: 417,551
Lamp
Patentee:
Mahlon S. Drake (exact or similar names) - Newark, NJ

USPTO Classifications:
362/315

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. L. Sherman
Oliver Drake
Patent Dates:
Applied: Feb. 23, 1888
Granted: Dec. 17, 1889

Patent Pictures:
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