USD311065SExpiredUtility

Sound conditioner for masking intruding noises

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Assignee: MARPAC CORPPriority: May 23, 1988Filed: May 23, 1988Granted: Oct 2, 1990
Est. expiryMay 23, 2008(expired)· nominal 20-yr term from priority
Inventors:David A. TheisenRobert L. Gault
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PatentIndex Score
16
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2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sound conditioner for masking intruding noises, as shown and described.

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