Granted Patent
Utility
US 4,979,261 · App. 07/361,249
Variable position door closer
Inventors:
Thomas R. Lasier, Andrew Current
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Jun 5, 1989
Inventors
Thomas R. Lasier
Andrew Current
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.