US Patent: 1,226,029 - Foundry flask clamp


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US Patent: 1,226,029

Clamp
Foundry flask clamp

Patentee:

Fredrick P. Tessmer (exact or similar names) - Detroit, MI

USPTO Classifications:

269/210, 269/236

Tool Categories:

work holding : clamps

Assignees:

None

Manufacturer:

Tessmer Machine & Tool Co - Detroit, MI

Witnesses:

Anna M. Dorr

C. R. Stickney

Patent Dates:
Applied:	Feb. 23, 1916
Granted:	May 15, 1917

Patent Pictures:

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Description:

A clamp matching this patent date has been observed with the following markings: Lightning Flash Clamp Mfg. by Tessmer Machine & Tool Co.; Detroit Michigan