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US Patent: 824,716
Hollow blast-grate
Patentee:
Elonso J. Gordon (exact or similar names) - Big Rapids, MI

USPTO Classifications:
110/328, 292/DIG.02

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Kilbourne
E. J. Sealey

Patent Dates:
Applied: Oct. 23, 1905
Granted: Jul. 03, 1906

Patent Pictures:
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