Granted Patent
Utility
US 5,010,877 · App. 07/440,716
Surgical collar and liner therefor
Inventor:
Sue Druskoczi
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Nov 24, 1989
Inventor
Sue Druskoczi
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.