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US Patent: 3,231,320
Hydrostatic Lubrication
Patentee:
Frederick Gustave Krafft (exact or similar names) - Springfield, Clark County, OH

USPTO Classifications:
384/12

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine lubrication

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 28, 1962
Granted: Jan. 25, 1966

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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