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US Patent: 2,973,674
Drilling fixture for spherical objects
Patentee:
Joseph Anton Hladik (exact or similar names) - Cicero, IL

USPTO Classifications:
269/156, 269/189, 269/307, 269/60, 269/77, 408/DIG.001

Tool Categories:

Assignees:
American Machine & Foundry Co. - New York, NY

Manufacturer:
American Machine & Foundry Co. - New York, NY

Witnesses:
Unknown

Patent Dates:
Applied: May 28, 1958
Granted: Mar. 07, 1961

Patent Pictures:
USPTO (New site tip)
Google Patents
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Vintage Machinery entry for American Machine & Foundry Co.
Description:
This fixture holds a bowling drill for drilling the grip holes. An example bears the AMF logo plus this patent number and "Cat. No. 45-62-03".

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