Granted Patent
Utility
US 5,888,958 · App. 08/028,421
Process for preparing solid cast detergent products
Inventors:
Allen D. Urfer, Virginia Lazarowitz
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Feb 24, 1998
Inventors
Allen D. Urfer
Virginia Lazarowitz
Assignee (at issue)
Henkel Limited
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.