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US Patent: 3,118,175
Rubber Mixer and Seal in Combination Therewith
Patentee:
Harry D. Walther - Waterford, Erie County, PA

USPTO Classifications:
366/91, 384/135

Tool Categories:
specialty machines : mixing machines

Assignees:
Skinner Engine Co. - Erie, Erie County, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 30, 1961
Granted: Jan. 21, 1964

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Skinner Engine Co.

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