USD246175SExpiredUtility

Headphone apparatus

13
Assignee: STUBELICK GARY ADAMPriority: Jan 12, 1976Filed: Jan 12, 1976Granted: Oct 25, 1977
Est. expiryJan 12, 1996(expired)· nominal 20-yr term from priority
Inventors:Gary Adam Stubelick
13
PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a headphone apparatus, as shown.

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