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US Patent: 1,001,530
Gang Wrench
Patentee:
Julius H. Kaesen - Boston, MA

USPTO Classifications:
7/138, 7/167, 81/125.1, 81/177.4, D8/26

Tool Categories:
wrenches : wrench set holders

Assignees:
Walter H. Perram - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
L. D. Goodwin
Edward N. Goding

Patent Dates:
Applied: Feb. 14, 1911
Granted: Aug. 22, 1911

Patent Pictures:
Julius H. Kaesen patent August 22, 1911
USPTO pdf tiff
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Description:
The patent covers the clamping frame using a thumb screw, and flat tools wider at both ends than in the middle. Individual tools can be slid out for use while being retained in the bundle, or removed from the bundle.

Perram was also assignee for a nearly identical wrench set (patent no. 1,001,280) marketed as the TWIN GRIP.

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