U.S. patent number D490,135 [Application Number D/180,573] was granted by the patent office on 2004-05-18 for combined life vest and descender apparatus. This patent grant is currently assigned to American Escape Systems, Inc.. Invention is credited to William E. Henson.
United States Patent | D490,135 |
Henson | May 18, 2004 |
Inventors: | Henson; William E. (Otter Lake, MI) |
---|---|
Assignee: | American Escape Systems, Inc.
(Rochester Hills, MI) |
Appl. No.: | D/180,573 |
Filed: | April 28, 2003 |
Current U.S. Class: | D21/805; D29/101.4; D29/124 |
Current International Class: | 2902 |
Field of Search: | ;D29/124,101.1-101.5 ;D21/804,805 ;441/106,111,114-118 ;182/4,5,70-73,231-240 ;188/188 ;D8/358 |
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