Granted Patent
Utility
US 4,670,247 · App. 06/844,258
Process for preparing fat-soluble vitamin active beadlets
Inventor:
Leonard Joseph Scialpi
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Mar 24, 1986
Inventor
Leonard Joseph Scialpi
Assignee (at issue)
HOFFMANN-LA ROCHE 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.