Granted Patent
Utility
US 6,828,519 · App. 10/290,922
Doorbell assembly with hidden fastener
Inventors:
Jeanette V. Bui, Michael Winardi
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Nov 8, 2002
Inventors
Jeanette V. Bui
Michael Winardi
Assignee (at issue)
Newfry LLC
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.