Granted Patent
Utility
US 5,601,773 · App. 08/439,925
Co-injection machine
Inventors:
Gerhard Schmidt, Mark Elsass
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: May 12, 1995
Inventors
Gerhard Schmidt
Mark Elsass
Assignee (at issue)
Cincinnatti Milacron Inc.
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.