Granted Patent
Utility
US 5,167,048 · App. 07/698,146
Caster wheel retention device
Inventors:
Richard Geiger, Robert W. Lishman, Scott Dentino
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: May 10, 1991
Inventors
Richard Geiger
Robert W. Lishman
Scott Dentino
Assignee (at issue)
Medical Composite Technology, 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.