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US Patent: 3,047,987
Apparatus for Submerged Grinding
Patentees:
William G. Baldenhofer (exact or similar names) - Springfield, Clark County, OH
Frederick G. Krafft (exact or similar names) - Springfield, Clark County, OH

USPTO Classifications:
451/213, 451/450

Tool Categories:
metalworking machines : metalworking machine mechanisms

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 23, 1961
Granted: Aug. 07, 1962

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

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