Granted Patent
Utility
US 4,319,074 · App. 06/079,280
Void-free electrical conductor for power cables and process for making same
Inventors:
Ruth E. Yaste, Russell B. Budrow
Patented Case
View Patent ↗
Granted: Mar 9, 1982
Filed: May 27, 1979
Inventors
Ruth E. Yaste
Russell B. Budrow
Assignee (at issue)
TRW Limited
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.