Granted Patent
Utility
US 5,989,618 · App. 08/831,452
Process for preparing a microbiologically stable water in oil spread
Inventors:
Cynthia Thurman, Podutoori Ravinder Reddy
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Apr 1, 1997
Inventors
Cynthia Thurman
Podutoori Ravinder Reddy
Assignee (at issue)
Lipton
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.