Granted Patent
Utility
US 4,618,059 · App. 06/476,381
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Inventor:
James A. Cochran
Patented Case
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Granted: Oct 21, 1986
Filed: Mar 17, 1983
Inventor
James A. Cochran
Assignee (at issue)
Burlington Industries 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.