Granted Patent
Utility
US 5,043,280 · App. 07/287,918
Method and apparatus for the manufacture of a product having a substance embedded in a carrier
Inventors:
Wilfried Fischer, Bernd Muller
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Dec 21, 1988
Inventors
Wilfried Fischer
Bernd Muller
Assignee (at issue)
Schwarz Pharma Ltd.
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.