Granted Patent
Utility
US 6,080,981 · App. 09/104,697
Apparatus for controlling the operation of a door movable in a door opening to prevent contact between the door and an obstruction in the door opening
Inventor:
Reginald K. Payne
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Jun 25, 1998
Inventor
Reginald K. Payne
Assignee (at issue)
Memco House
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.