Granted Patent
Utility
US 5,079,054 · App. 07/441,143
Moisture impermeable spacer for a sealed window unit
Inventor:
Lawrence Davies
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Nov 27, 1989
Inventor
Lawrence Davies
Assignee (at issue)
Ominiglass Ltd.
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.