Granted Patent
Utility
US 6,643,898 · App. 10/151,214
Self-centering pivot door hinge system
Inventors:
Robert D. Cameron, E. Jeffrey Dowd
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: May 18, 2002
Inventors
Robert D. Cameron
E. Jeffrey Dowd
Assignee (at issue)
Southeastern Aluminum Products, 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.