USD359251SExpiredUtility
Portable door knob alarm
Est. expirySep 28, 2014(expired)· nominal 20-yr term from priority
Inventors:Allan Tallent
18
PatentIndex Score
3
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a portable door knob alarm, as shown and described.
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