Granted Patent
Utility
US 4,528,155 · App. 06/512,958
Production of cross-linked polymeric extruded articles
Inventor:
Danny Elder
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Jul 12, 1983
Inventor
Danny Elder
Assignee (at issue)
Alcan Aluminum Corporation
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.