USD311609SExpiredUtility

Ear protector for oxygen feed line

53
Assignee: STONEBURNER SR EDWIN RPriority: Oct 28, 1987Filed: Oct 28, 1987Granted: Oct 23, 1990
Est. expiryOct 28, 2007(expired)· nominal 20-yr term from priority
Inventors:Edwin R. Stoneburner, Sr.
53
PatentIndex Score
13
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an ear protector for oxygen feed line, as shown and described.

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