Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2007-03-30
2010-10-26
Vo, Hai (Department: 1787)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S315500, C428S316600, C428S317900, C428S319300, C428S319700
Reexamination Certificate
active
07820282
ABSTRACT:
The present invention is directed an oriented, foamed article having an integral security element, and a method of making the article. The oriented foam article is particularly useful in the preparation of printed security documents such as currency, stock and bond certificates, birth and death certificates, land titles and abstracts and the like.
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Black William B.
Haas Christopher K.
Jennen Jay M.
Jonza James M.
Stumo Roger J.
3M Innovative Properties Company
Kokko Kent S.
Vo Hai
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