Granted Patent
Utility
US 5,863,885 · App. 08/957,039
Pack containing a dry alkaline solid
Inventors:
Juan-Carlos Ruggieri, Heiner Deibig, Lee Wielgolinski, Jan Staal, Guido Clemens van den Brom
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Oct 24, 1997
Inventors
Juan-Carlos Ruggieri
Heiner Deibig
Lee Wielgolinski
Jan Staal
Guido Clemens van den Brom
Assignee (at issue)
Diversey Lever, 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.