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US Patent: 1,938,310
Spindle Drive for Machine Tools
Patentees:
Dudley B. Bullard (exact or similar names) - Southport, CT
Gustaf Robert Appelberg (exact or similar names) - Bridgeport, CT

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

Tool Categories:

Assignees:
Bullard Co. - Bridgeport, CT

Manufacturer:
Bullard Co. - Bridgeport, CT

Witnesses:
Unknown

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

Patent Pictures:
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Vintage Machinery entry for Bullard Machine Tool Co.

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