Granted Patent
Utility
US 4,835,343 · App. 07/032,484
Two piece face plate for wall box mounted device
Inventors:
John T. Graef, Elliot G. Jacoby, Joel S. Spira
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Mar 30, 1987
Inventors
John T. Graef
Elliot G. Jacoby
Joel S. Spira
Assignee (at issue)
Lutron Electronics Co., 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.