Granted Patent
Utility
US 6,067,731 · App. 09/256,384
Medical shoe cover and method of forming thereof
Inventors:
Mao-Ching Chen, Leslie Edward Blackford
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Feb 24, 1999
Inventors
Mao-Ching Chen
Leslie Edward Blackford
Assignee (at issue)
Johnson & Johnson Medical GMBH
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.