Granted Patent
Utility
US 4,568,261 · App. 06/705,936
Apparatus for making a multi-layer injection blow molded container
Inventors:
Robert J. McHenry, Martin Ryan
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Feb 26, 1985
Inventors
Robert J. McHenry
Martin Ryan
Assignee (at issue)
American Can Company
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.