Granted Patent
Utility
US 4,344,442 · App. 06/257,025
Anti-wrap apparatus
Inventors:
Peter J. Torland, Robert R. Todd
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: Apr 24, 1981
Inventors
Peter J. Torland
Robert R. Todd
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.