USD321227SExpiredUtility

Lung exerciser

Assignee: NORELL ERIKPriority: Dec 9, 1988Filed: Jun 8, 1989Granted: Oct 29, 1991
Est. expiryDec 9, 2008(expired)· nominal 20-yr term from priority
Inventors:Erik Norell
65
PatentIndex Score
13
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a lung exerciser, as shown and described.

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