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US Patent: 1,268,143
Filing device
Patentee:
Carl A. Palmgren (exact or similar names) - Chicago, IL

USPTO Classifications:
211/126.13, 211/162, 40/374

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 31, 1917
Granted: Jun. 04, 1918

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Palmgren Steel Products, Inc.

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