Granted Patent
Utility
US 4,349,542 · App. 06/156,783
Mixture containing active ingredient and dendritic crystalline sugar for tableting
Inventor:
John Staniforth
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: May 5, 1980
Inventor
John Staniforth
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.