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US Patent: 566,335
Calf Weaner
Patentees:
John B. McCarthy (exact or similar names) - Eckley, CO
John A. Griffin (exact or similar names) - Eckley, CO

USPTO Classifications:

Tool Categories:
agricultural : animal weaners

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. H. Monroe
C. B. Doyle
M. O. Harmon
C. G. Burkart

Patent Dates:
Applied: Jun. 16, 1896
Granted: Aug. 25, 1896

Patent Pictures:
Patent 566,335 - edited drawing
USPTO (New site tip)
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Description:
A plate with central cut-out, and "crank" shaped "bolts" that slide into the nostrils up to the central cartilage.

In corresponding Canadian patent CA-55043 granted Febr. 19,1897, McCarthy is listed as inventor, and Griffin as assignee.

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