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US Patent: 440,265
Pocket Lamp
Patentees:
Elias B. Koopman (exact or similar names) - New York, NY
William W. McKenney (exact or similar names) - New York, NY

USPTO Classifications:
431/133

Tool Categories:
household : lamps

Assignees:
Magic Introduction Co. - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 17, 1890
Granted: Nov. 11, 1890

Patent Pictures:
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