Granted Patent
Utility
US 4,253,402 · App. 06/003,603
Desk tray and method of making the same
Inventors:
Thomas R. Carrig, James T. Kraus
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Jan 15, 1979
Inventors
Thomas R. Carrig
James T. Kraus
Assignee (at issue)
Sheller-Globe 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.