Granted Patent
Utility
US 5,786,320 · App. 08/595,119
Process for preparing solid cast detergent products
Inventors:
Allen D. Urfer, Virginia Lazarowitz
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Feb 1, 1996
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.