Granted Patent
Utility
US 4,743,281 · App. 07/030,665
Filter panel assembly
Inventors:
Robert W. Kennedy, Howard J. Tyler
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Mar 27, 1987
Inventors
Robert W. Kennedy
Howard J. Tyler
Assignee (at issue)
White Consolidated 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.