Granted Patent
Utility
US 4,357,008 · App. 06/174,485
Creel assembly
Inventor:
Roscoe Campbell
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: Aug 1, 1980
Inventor
Roscoe Campbell
Assignee (at issue)
HARRIS CORPORATION
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.