USD302839SExpiredUtility

Life support system knife

32
Individually held — no corporate assignee on recordPriority: Jun 22, 1987Filed: Jun 22, 1987Granted: Aug 15, 1989
Est. expiryJun 22, 2007(expired)· nominal 20-yr term from priority
Inventors:Jack W. Crain
32
PatentIndex Score
2
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a life support system knife, as shown.

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