USD339138SExpiredUtility

Sound modifying attachment disk for loudspeakers

Priority: Nov 13, 1990Filed: May 8, 1991Granted: Sep 7, 1993
Est. expiryNov 13, 2010(expired)· nominal 20-yr term from priority
24
PatentIndex Score
7
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of a sound modifying attachment disk for loudspeakers, as shown and described.

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