Granted Patent
Utility
US 5,084,596 · App. 07/532,445
Electrical box
Inventors:
Richard J. Borsh, William M. Chambers, Philip G. Bartone
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Jun 4, 1990
Inventors
Richard J. Borsh
William M. Chambers
Philip G. Bartone
Assignee (at issue)
The Lamson & Sessions Co.
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.