Granted Patent
Utility
US 4,390,137 · App. 06/258,236
Forming a strand package having multiple coil lengths
Inventors:
Charles S. Hammond, Jr., Henry D. Mitchell, Jr.
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Apr 28, 1981
Inventors
Charles S. Hammond, Jr.
Henry D. Mitchell, Jr.
Assignee (at issue)
Western Electric Company, Inc.
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.