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US Patent: 1,455,283
Electric-Operating Chucking Device
Patentee:
Edward Payson Bullard, Jr. (exact or similar names) - Bridgeport, CT

USPTO Classifications:
279/110, 279/119, 279/134, 29/38A, 29/48.50R

Tool Categories:

Assignees:
Bullard Machine Tool Co. - Bridgeport, CT

Manufacturer:
Bullard Machine Tool Co. - Bridgeport, CT

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 04, 1920
Granted: May 15, 1923

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

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