Granted Patent
Utility
US 4,336,015 · App. 06/097,805
Apparatus for blow molding with active ingredient in blowing gas
Inventor:
Dewey Rainville
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Nov 27, 1979
Inventor
Dewey Rainville
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.