Granted Patent
Utility
US 4,615,195 · App. 06/807,422
Process and apparatus for high speed fabrication of copper wire
Inventors:
Ralph A. Vogel, Keith E. Caudill
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Dec 10, 1985
Inventors
Ralph A. Vogel
Keith E. Caudill
Assignee (at issue)
Essex Group LLC
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.