Granted Patent
Utility
US 5,196,149 · App. 07/721,798
Preparation of high solids, low viscosity carbonless paper gelatin base microcapsules
Inventor:
Joseph A. Scarpelli
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Jun 26, 1991
Inventor
Joseph A. Scarpelli
Assignee (at issue)
EURAND AMERICA, 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.