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US Patent: 274,591
Device for Handling Fruit Cans
Patentee:
William Gregg - Mason, MI

USPTO Classifications:
81/3.4, 81/64

Tool Categories:
wrenches : jar wrenches

Assignees:
William Gregg - Mason, MI
Joseph A. Fowler - Mason, MI

Manufacturer:
Not known to have been produced

Witnesses:
A. Barthel
H. S. Sprague
R. Scully

Patent Dates:
Applied: Jan. 31, 1883
Granted: Mar. 27, 1883

Patent Pictures:
William Gregg patent March 27, 1883
USPTO pdf tiff
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Description:
The patent covers the use of the wing nut clamping bolt and slot to provide a size adjustment.

The patent disclaims any features covered by the Aug. 26, 1879 Sherwood and Dudley patent (no.218,835).

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