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US Patent: 3,422,724
Mechanism for Effecting Angular Orientation of a Machine Tool Spindle
Patentees:
Frank Zankl (exact or similar names) - Milwaukee, Milwaukee County, WI
Richard E. Stobbe (exact or similar names) - Greenfield, Milwaukee County, WI
Clyde E. Mattson (exact or similar names) - Waukesha, Waukesha County, WI

USPTO Classifications:
408/3, 409/231, 409/64, 483/34

Tool Categories:
metalworking machines : milling machines
metalworking machines : metalworking machine mechanisms

Assignees:
Kearney & Trecker Corp. - West Allis, Milwaukee County, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 21, 1966
Granted: Jan. 21, 1969

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

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