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US Patent: 5,557,992
Multi-socket wrench containing dual socket wrench units
Patentee:
Richard J. Macor (exact or similar names) - Greenwich Township, Warren County, NJ

USPTO Classifications:
81/124.4, 81/124.5, 81/125.1, 81/157.5

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
Proprietary Technologies, Inc. - Stewartsville, NJ

Manufacturer:
Stride Tool - Chagrin Falls, OH

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 28, 1994
Granted: Sep. 24, 1996

Patent Pictures: [ 1 | 2 ]
Patent 5,557,992 - edited drawing
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Description:
"The present invention relates to box wrenches and, more particularly, a box wrench which has multi-socket capabilities. Thus, the present invention involves a single tool which may hold four, six, eight or even more different sizes and which may be an open or closed socket wrench."

Produced as ROTO-WRENCH. A known example on original "hang card" includes "Made in China" and "STRIDE TOOL, Chagrin Falls, OH."

Prior patents 1,410,032, 1,494,513, 1,571,148, 1,613,976, 1,645,999, 1,796,083, 1,930,238, 2,453,901, 3,745,860 and 5,048,379 are cited as references.

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