Granted Patent
Utility
US 6,797,877 · App. 10/425,358
Electrical metallic tube, coupling, and connector apparatus and method
Inventor:
David Ruffin Burnette
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Apr 28, 2003
Inventor
David Ruffin Burnette
Assignee (at issue)
Jonn Maneely Company
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.