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US Patent: 1,770,899
Valve Spring Lifter
Patentee:
John A. Anderson (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:
29/221

Tool Categories:
specialty tools : valve spring tools

Assignees:
Bridgeport Hardware Mfg. Co. - Bridgeport, Fairfield County, CT

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: May 14, 1928
Granted: Jul. 22, 1930

Patent Pictures:
John A. Anderson patent July 22, 1930
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