Granted Patent
Utility
US 4,767,409 · App. 06/497,324
Catheter protective shield
Inventor:
Frederick C. Brooks
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: May 23, 1983
Inventor
Frederick C. Brooks
Assignee (at issue)
Edward Weck Incorporated
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.