USD490575SExpiredUtility

Descender apparatus

43
Assignee: AMERICAN ESCAPE SYSTEMS INCPriority: Apr 3, 2003Filed: Apr 3, 2003Granted: May 25, 2004
Est. expiryApr 3, 2023(expired)· nominal 20-yr term from priority
Inventors:William E. Henson
43
PatentIndex Score
5
Cited by
11
References
1
Claims

Claims

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

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