Granted Patent
Utility
US 5,220,708 · App. 07/862,656
Self-trimming shield for a door heel
Inventors:
Craig L. Lucas, Rex H. Lasson
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Apr 1, 1992
Inventors
Craig L. Lucas
Rex H. Lasson
Assignee (at issue)
Schlage Lock Company LLC
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.