Granted Patent
Utility
US 5,531,727 · App. 08/328,938
Fluid absorbing article utilizing a flow control cover sheet
Inventors:
Richmond R. Cohen, Edward J. Engle
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Oct 25, 1994
Inventors
Richmond R. Cohen
Edward J. Engle
Assignee (at issue)
HERCULES LLC
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.