Metal working – Method of mechanical manufacture – Shaping one-piece blank by removing material
Reexamination Certificate
2007-02-13
2007-02-13
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
Shaping one-piece blank by removing material
C029S558000, C359S529000, C264S001900
Reexamination Certificate
active
10383039
ABSTRACT:
The present invention relates to methods of making microstructured laminae for replication and apparatus. In a preferred embodiment, the invention relates to machining V-shaped grooves on individual lamina forming cube-corner microstructures.
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Anderson Conrad V.
Sewall Nelson D.
Smeenk Lars A.
Smith Kenneth L.
3M Innovative Properties Company
Bryant David P.
Fischer Carolyn A.
Koehler Christopher M.
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