USD315873SExpiredUtility

Rolling ruler

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Assignee: MCLAUGHLIN JAMES GREGORYPriority: May 20, 1988Filed: Nov 18, 1988Granted: Apr 2, 1991
Est. expiryMay 20, 2008(expired)· nominal 20-yr term from priority
Inventors:Adam Laws
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PatentIndex Score
0
Cited by
7
References
1
Claims

Claims

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

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