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US Patent: 1,713,763
Valve Spring Lifter and Compressor
Patentee:
Harry W. Kulp (exact or similar names) - Lancaster, Lancaster County, PA

USPTO Classifications:
29/221

Tool Categories:
specialty tools : valve spring tools

Assignees:
Harry W. Kulp - Lancaster, Lancaster County, PA
Martin C. Dellinger - Lancaster, Lancaster County, PA

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Mar. 05, 1925
Granted: May 21, 1929

Patent Pictures:
Harry W. Kulp patent May 21, 1929
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Description:
This design with parallelogram frame and sliding base for the moving jaw was intended to generate greater force suitable for heavy duty springs in the engines of trucks, tractors, etc.

Harry W. Kulp and Martin C. Dellinger were the founders of KD Mfg. Co. of Lancaster, PA.

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