Granted Patent
Utility
US 4,481,736 · App. 06/283,441
Seal means for sealing a panel movable through and from a slot
Inventor:
Edward W. Norton
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Jul 15, 1981
Inventor
Edward W. Norton
Assignee (at issue)
Schlegel Corporation
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.