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US Patent: 1,332,128
Valve-Lifter
Patentees:
Henry Kvindlog (exact or similar names) - Duluth, MN
Clark O. Wotring (exact or similar names) - Duluth, MN

USPTO Classifications:
29/219

Tool Categories:
specialty tools : valve spring tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 08, 1919
Granted: Feb. 24, 1920

Patent Pictures:
Henry Kvindlog and Clark O. Wotring patent Febr. 24, 1920
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Description:
The tool features an adjustable "supporting shaft" with optional "seat" and exterior "over center" lever handle.

The E.Z. Valve Lifter produced by H.G. Parkhurst & Co. of Minneapolis, MN appears to match this patent in time and design.

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