Granted Patent
Utility
US 4,505,384 · App. 06/599,635
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Inventors:
Raymond G. Scott, Irvin W. Sherwood
Patented Case
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Granted: Mar 19, 1985
Filed: Apr 12, 1984
Inventors
Raymond G. Scott
Irvin W. Sherwood
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.