USD398056SExpiredUtility
Stethoscope drum
Est. expiryAug 14, 2017(expired)· nominal 20-yr term from priority
Inventors:Richard Rashman
54
PatentIndex Score
8
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a stethoscope drum, as shown and described.
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