Granted Patent
Utility
US 5,494,093 · App. 08/259,710
Rolling door stop apparatus
Inventor:
Alvin Eiterman
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Jun 14, 1994
Inventor
Alvin Eiterman
Assignee (at issue)
Wayne-Dalton Corp.
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.