Granted Patent
Utility
US 4,335,896 · App. 06/138,186
Luggage case having a detachable roller assembly
Inventors:
Sol Koffler, William Berry
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Apr 7, 1980
Inventors
Sol Koffler
William Berry
Assignee (at issue)
American Tourister, 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.