US Patent: 2,636,321 - Machine tool


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US Patent: 2,636,321

Machine tool

Patentee:

John Clifford Wilson (exact or similar names) - Springfield, OH

USPTO Classifications:

125/11.03, 451/247, 451/401, 451/455

Tool Categories:

metalworking machines : grinders

Assignees:

Thompson Grinder Co. - Springfield, OH

Manufacturer:

Thompson Grinder Co. - Springfield, OH

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 29, 1951
Granted:	Apr. 28, 1953

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Thompson Grinder Co.

Description:

This invention "relates to a grinding machine having a rotary table on which is mounted a plurality of fixtures, such as chucks, for supporting workpieces to be machines."