Gillette files DJ action in D Mass over Hummingbird Flosser

Gillette filed a declaratory judgment action on Nov. 12, 2004 in federal court in D. Mass., seeking a declaration that three patents licensed to Water Pik by Dane Robinson/Skyvision are not infringed or invalid.

This action relates to an electric dental-flossing device, which
Gillette began selling in March 2004 as the Oral-B Hummingbird Power Flosser and Pick.