Granted Patent
Utility
US 4,449,351 · App. 06/276,100
Blister pack loading machine
Inventor:
Matthew Henderson
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Jun 22, 1981
Inventor
Matthew Henderson
Assignee (at issue)
Pennwalt 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.