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US Patent: 3,119,290
Work Gripping Wrench Socket
Patentee:
Roger G. Ivie (exact or similar names) - Oakland, CA

USPTO Classifications:
269/236, 81/128, 81/176.3, 81/3.42

Tool Categories:
wrenches : socket wrenches

Assignees:
None

Manufacturer:
PROTO - Los Angeles, CA

Witnesses:
none listed
Patent Dates:
Applied: Jul. 10, 1961
Granted: Jan. 28, 1964

Patent Pictures:
Roger G. Ivie patent Jan. 28, 1964
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Description:
Self-adjusting "socket" type wrench for oil filters.

The patent number appears on PROTO oil filter wrenches. (#3204, CHALLENGER #3003)

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