Granted Patent
Utility
US 5,490,304 · App. 08/223,239
Floor mounted doorstop
Inventors:
James E. Winner, Jr., L. David Carlo
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Apr 5, 1994
Inventors
James E. Winner, Jr.
L. David Carlo
Assignee (at issue)
Winner International Royalty 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.