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US Patent: 1,267,534
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Patentee:
Warren F. Fraser - Boston, MA

USPTO Classifications:
451/221, 451/393, 451/394, 74/27

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Assignees:
Warren F. Fraser Co - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Charles F. Gooding
Sydney E. Taft

Patent Dates:
Applied: Mar. 29, 1917
Granted: May 28, 1918

Patent Pictures:
USPTO pdf tiff
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Description:
Charles F. Gooding - patent attorney

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