USD254196SExpiredUtility

Portable mandrel

36
Individually held — no corporate assignee on recordPriority: Apr 24, 1978Filed: Apr 24, 1978Granted: Feb 12, 1980
Est. expiryApr 24, 1998(expired)· nominal 20-yr term from priority
Inventors:Michael H. Shulman
36
PatentIndex Score
1
Cited by
3
References
1
Claims

Claims

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

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