Granted Patent
Utility
US 4,877,077 · App. 07/193,806
Vertical coextruded pearlescent louver for vertical blinds
Inventor:
George W. Ebert
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: May 13, 1988
Inventor
George W. Ebert
Assignee (at issue)
Home Fashions, 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.