Granted Patent
Utility
US 5,866,845 · App. 08/867,059
Electrical box
Inventors:
John B. Markiewicz, Charles H. Riedy, David P. Marshall, Peter D. Sadosky
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jun 2, 1997
Inventors
John B. Markiewicz
Charles H. Riedy
David P. Marshall
Peter D. Sadosky
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.