Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Reexamination Certificate
2005-10-18
2005-10-18
Lewis, Ralph A. (Department: 3732)
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
Reexamination Certificate
active
06955537
ABSTRACT:
Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials and structures usable therewith.
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Cao Group, Inc.
Lewis Ralph A.
McCarthy Daniel P.
Parsons Behle & Latimer
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