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US Patent: 735,503
Molding flask
Patentees:
Clinton G. Wilderson (exact or similar names) - Leetonia, OH
Elmer Harrold (exact or similar names) - Leetonia, OH

USPTO Classifications:
164/386

Tool Categories:
trade specific : foundryman

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles Fritz
John B. Morgan

Patent Dates:
Applied: Apr. 06, 1903
Granted: Aug. 04, 1903

Patent Pictures:
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Vintage Machinery entry for Crescent Machine Co.
Description:
Invention is intended for use in the process of casting metals. It is of interest because the inventors founded Crescent Machine Co.

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