Granted Patent
Utility
US 5,525,664 · App. 08/349,113
Process and composition for the manufacture of wet strengthened paper
Inventors:
Andrew J. Miller, Brian M. Stubbs
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Dec 2, 1994
Inventors
Andrew J. Miller
Brian M. Stubbs
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.