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US Patent: 2,122,356
Fluid Chuck Operating Mechanism
Patentees:
Gustaf Robert Appelberg (exact or similar names) - Bridgeport, CT
Edward P. Bullard (exact or similar names) - Fairfield, CT

USPTO Classifications:
29/38A, 29/57, 470/900

Tool Categories:

Assignees:
Bullard Co. - Bridgeport, CT

Manufacturer:
Bullard Co. - Bridgeport, CT

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 27, 1935
Granted: Jun. 28, 1938

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

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