USD346406SExpiredUtility
Luminescent door knob indicator
Individually held — no corporate assignee on recordPriority: Jan 8, 1993Filed: Jan 8, 1993Granted: Apr 26, 1994
Est. expiryJan 8, 2013(expired)· nominal 20-yr term from priority
Inventors:Brian Pennington
50
PatentIndex Score
10
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a luminescent door knob indicator, as shown and described.
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