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US Patent: 1,938,310
Spindle Drive for Machine Tools
Patentees:
Gustaf Robert Appelberg - Bridgeport, Fairfield County, CT
Dudley B. Bullard - Southport, Fairfield County, CT

USPTO Classifications:
269/153, 29/38A, 29/419.1

Tool Categories:
metalworking machines : metalworking machine mechanisms
metalworking machines : metal lathes : multiple spindle lathes

Assignees:
Bullard Co. - Bridgeport, Fairfield County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 20, 1932
Granted: Dec. 05, 1933

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Bullard Machine Tool Co.

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