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US Patent: 1,241,212
Powder Blending Apparatus
Patentee:
Charles L. Heisler (exact or similar names) - Schenectady, Schenectady County, NY

USPTO Classifications:
209/239, 209/248, 209/365.2, 222/135, 222/161, 222/565, 222/58, 366/108

Tool Categories:
specialty machines : mixing machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 23, 1916
Granted: Sep. 25, 1917

Patent Pictures:
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