Granted Patent
Utility
US 4,483,588 · App. 06/394,634
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Inventors:
Emil J. Dalbo, Lorraine E. Dalbo
Patented Case
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Granted: Nov 20, 1984
Filed: Jul 2, 1982
Inventors
Emil J. Dalbo
Lorraine E. Dalbo
Assignee (at issue)
Dal-Craft, 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.