USD298952SExpiredUtility

Tape core mandrel

34
Assignee: MINNESOTA MINING & MFGPriority: Jun 28, 1985Filed: Jun 28, 1985Granted: Dec 13, 1988
Est. expiryJun 28, 2005(expired)· nominal 20-yr term from priority
Inventors:Dennis L. Crawford
34
PatentIndex Score
1
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a tape core mandrel, substantially as shown.

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