Granted Patent
Utility
US 4,919,588 · App. 07/309,178
Sweep stacker
Inventor:
Charles J. Brun, Jr.
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Feb 13, 1989
Inventor
Charles J. Brun, Jr.
Assignee (at issue)
Kindex, 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.