USD424560SExpiredUtility
Sound transmitting device
Est. expiryAug 5, 2018(expired)· nominal 20-yr term from priority
Inventors:Stephen Robert Heath
65
PatentIndex Score
12
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sound transmitting device, as shown.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.