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US Patent: 1,840,498
Valve
Patentee:
Albert F. Froussard (exact or similar names) - St. Louis, MO

USPTO Classifications:
251/312

Tool Categories:
industrial tools : industrial valves

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 27, 1929
Granted: Jan. 12, 1932

Patent Pictures:
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