2007-05-29
2008-12-02
Spear, Robert M. (Department: 2913)
Design Patent
active
D0581715
CLAIM:
The ornamental design for a mattress element, as shown and described.
REFERENCES:
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patent: 5115527 (1992-05-01), Medley
patent: 5491852 (1996-02-01), Maucher
Calabrese Mary Ann
Spear Robert M.
Wilford Andrew
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