Granted Patent
Utility
US 4,745,643 · App. 06/757,275
Modular sleeping unit for ship crew or the like
Inventor:
Richard Clarke
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Jul 18, 1985
Inventor
Richard Clarke
Assignee (at issue)
AMTECH, 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.