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US Patent: 1,318,088
Combination Tool
Patentee:
Charles S. Klein (exact or similar names) - Jersey City, NJ

USPTO Classifications:
7/138, 7/165, 81/437, 81/451, 81/55

Tool Categories:
wrenches : socket wrenches
combination tools
screwdrivers

Assignees:
American Telephone & Telegraph Co. - New York, NY

Manufacturer:
Unknown

Witnesses:
Unknown
Patent Dates:
Applied: May 27, 1918
Granted: Oct. 07, 1919

Patent Pictures:
Charles S. Klein patent October 7, 1919
USPTO (New site tip)
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Description:
Spring-loaded wrench sockets with screwdrivers inside. The tool is marked PAT IN USA OCT 7, 1919.

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