USD331808SExpiredUtility

Work platform

43
Individually held — no corporate assignee on recordPriority: Aug 30, 1990Filed: Aug 30, 1990Granted: Dec 15, 1992
Est. expiryAug 30, 2010(expired)· nominal 20-yr term from priority
Inventors:Kenneth R. PaulDennis G. Marshall
43
PatentIndex Score
10
Cited by
5
References
1
Claims

Claims

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

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