USD310372SExpiredUtility

Portable environmental sound machine

77
Assignee: MARPAC CORPPriority: May 20, 1987Filed: May 20, 1987Granted: Sep 4, 1990
Est. expiryMay 20, 2007(expired)· nominal 20-yr term from priority
Inventors:Mark S. KimbroughCraig S. Potter
77
PatentIndex Score
17
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1
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1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable environmental sound machine, as shown and described.

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