USD341431SExpiredUtility

Step for a portable riser assembly

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Assignee: WENGER CORPPriority: Jan 30, 1992Filed: Jan 30, 1992Granted: Nov 16, 1993
Est. expiryJan 30, 2012(expired)· nominal 20-yr term from priority
Inventors:John H. KniefelEugene N. ReshanovJohannes N. Gaston
75
PatentIndex Score
17
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a step for a portable riser assembly, as shown.

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