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US Patent: 1,745,523
Apparatus for Testing Taper Threaded Screws
Patentee:
Robert O. Beardsley (exact or similar names) - Springfield, Windsor County, VT

USPTO Classifications:
356/393, 356/394

Tool Categories:

Assignees:
Jones & Lamson Machine Co. - Springfield, Windsor County, VT

Manufacturer:
Jones & Lamson Machine Co. - Springfield, Windsor County, VT

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 20, 1927
Granted: Feb. 04, 1930

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Fellows Gear Shaper Co.
"Vintage Machinery" entry for Jones, Lamson & Co.

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