Granted Patent
Utility
US 4,511,528 · App. 06/484,441
Flow stream channel splitter devices for multi-coinjection nozzle injection molding machines
Inventors:
Frederick G. Kudert, Maurice G. Latreille, William A. Tennant
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Apr 13, 1983
Inventors
Frederick G. Kudert
Maurice G. Latreille
William A. Tennant
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.