Granted Patent
Utility
US 5,056,263 · App. 07/642,421
Self-positioning and self-locking door sweep and door assembly therewith
Inventor:
Sylvester W. Bies
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Jan 17, 1991
Inventor
Sylvester W. Bies
Assignee (at issue)
THE STANLEY WORKS LTD
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.