Granted Patent
Utility
US 5,280,809 · App. 07/952,301
Medical conduit end breather cap
Inventor:
Bruce E. Tive
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Sep 28, 1992
Inventor
Bruce E. Tive
Assignee (at issue)
Cobe Laboratories, 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.