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US Patent: 1,511,723
Means for connecting tubular members
Patentee:
Emil R. Draver (exact or similar names) - Richmond, IN

USPTO Classifications:
24/277, 285/197, 285/322, 285/404

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Oct. 14, 1924

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Draver Mfg. Co.

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