USD313643SExpiredUtility

Portable water filter

46
Assignee: LUZENBERG JR ROBERT SPriority: May 13, 1987Filed: May 13, 1987Granted: Jan 8, 1991
Est. expiryMay 13, 2007(expired)· nominal 20-yr term from priority
Inventors:Robert S. Luzenberg
46
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable water filter, as shown and described.

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