Granted Patent
Utility
US 5,750,168 · App. 08/791,182
Tapioca starch containing french fry formulations and method of making
Inventors:
John Harold Woerman, Yangsheng Wu
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Jan 31, 1997
Inventors
John Harold Woerman
Yangsheng Wu
Assignee (at issue)
Penwest Foods Co.
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.