Granted Patent
Utility
US 4,512,944 · App. 06/507,262
Methods of and apparatus for insulating a conductor with a plastic material
Inventors:
Greg Astfalk, Timothy S. Dougherty, Montri Viriyayuthakorn
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Jun 23, 1983
Inventors
Greg Astfalk
Timothy S. Dougherty
Montri Viriyayuthakorn
Assignee (at issue)
AT&T Technologies Incorporated
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.