Granted Patent
Utility
US 5,584,421 · App. 08/462,645
Self-centering hanger assembly
Inventors:
Russell O. Blanchard, John H. Batts
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Jun 5, 1995
Inventors
Russell O. Blanchard
John H. Batts
Assignee (at issue)
Batts, 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.