Granted Patent
Utility
US 4,869,020 · App. 07/147,952
Window assembly having a window latch construction
Inventor:
Thomas Andres
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Jan 25, 1988
Inventor
Thomas Andres
Assignee (at issue)
Thermal Industries, 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.