Granted Patent
Utility
US 5,000,940 · App. 07/358,163
Devices, compositions and the like having or containing an inorganic pyrophosphate
Inventors:
Lorna C. Staples, Henry C. Spanier, Felice Scaglione, Jan Karwowski
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: May 30, 1989
Inventors
Lorna C. Staples
Henry C. Spanier
Felice Scaglione
Jan Karwowski
Assignee (at issue)
Nabisco Brands, 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.