Wallboard identification system
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United States of America Patent
Stats
-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Jun 30, 1986
filing date -
Jun 30, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Gypsum wallboard, for use in drywall construction, printed with suitable identifying indicia on the face using an optical brightener which is visible only under ultra-violet light. The wallboard is identifiable as to source, after the board is installed, and even after having been painted.
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- Non-US Classification not provided for expired patents
Cited Art Landscape
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