USD248669SExpiredUtility

Electronic sound conditioning device

62
Assignee: MARPAC CORPPriority: Jun 27, 1977Filed: Jun 27, 1977Granted: Jul 25, 1978
Est. expiryJun 27, 1997(expired)· nominal 20-yr term from priority
Inventors:Roger Ramsey
62
PatentIndex Score
8
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic sound conditioning device, as shown.

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