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US Patent: 2,985,109
Hydraulic Pump
Patentee:
Walter Ernst (exact or similar names) - Dayton, Montgomery County, OH

USPTO Classifications:
417/213, 417/220, 418/26

Tool Categories:
metalworking machines : metalworking machine mechanisms : hydraulic apparatus

Assignees:
Thompson Grinder Co. - Springfield, Clark County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 02, 1955
Granted: May 23, 1961

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Thompson Grinder Co.

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