Granted Patent
Utility
US 5,361,476 · App. 08/204,775
Method of making a spacer frame assembly
Inventor:
Edmund A. Leopold
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Mar 2, 1994
Inventor
Edmund A. Leopold
Assignee (at issue)
Glass Equipment Development, Inc.
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.