Granted Patent
Utility
US 6,762,688 · App. 10/071,267
Device with silencing circuitry
Inventors:
Derek Johnston, Vincent Mori, Edward C. Duran, Kenneth L. Venzant
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Feb 8, 2002
Inventors
Derek Johnston
Vincent Mori
Edward C. Duran
Kenneth L. Venzant
Assignee (at issue)
BRK Brands, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.