Granted Patent
Utility
US 4,372,633 · App. 06/255,021
High current transfer roll ring assembly
Inventors:
Terry S. Allen, Peter E. Jacobson
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Apr 17, 1981
Inventors
Terry S. Allen
Peter E. Jacobson
Assignee (at issue)
Sperry Corp.
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.