USD286549SExpiredUtility
Mechanical writing device
Individually held — no corporate assignee on recordPriority: Oct 26, 1984Filed: Oct 26, 1984Granted: Nov 4, 1986
Est. expiryOct 26, 2004(expired)· nominal 20-yr term from priority
Inventors:Ronald R. Erlendson
61
PatentIndex Score
10
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a mechanical writing device, as shown and described.
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