Granted Patent
Utility
US 4,427,148 · App. 06/359,563
Hermetically sealed tray
Inventors:
George M. Seiter, Richard J. Gould
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Mar 18, 1982
Inventors
George M. Seiter
Richard J. Gould
Assignee (at issue)
Champion International Corporation Limited
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.