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US Patent: 1,248,851
Distributing Powdered Material
Patentee:
Charles L. Heisler (exact or similar names) - Schenectady, Schenectady County, NY

USPTO Classifications:
137/625.46, 406/156, 406/95

Tool Categories:
specialty machines : mixing machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 27, 1916
Granted: Dec. 04, 1917

Patent Pictures:
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