US Patent: 93,981 - Improvement in Cant Hooks


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US Patent: 93,981

Improvement in Cant Hooks

Patentees:

O. P. Frantz (exact or similar names) - St. Anthony, MN

E. Broad (exact or similar names) - St. Anthony, MN

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Pictures:

Description:

Tapered socket with a slot to allow the socket to be tightened by use of the ring to compensate for any shrinking of the staff.