Granted Patent
Utility
US 4,512,730 · App. 06/484,501
Polymer flow stream redirecting and feeding device
Inventors:
Frederick G. Kudert, William A. Tennant, Thomas T. Tung
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Apr 13, 1983
Inventors
Frederick G. Kudert
William A. Tennant
Thomas T. Tung
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.