Granted Patent
Utility
US 5,503,801 · App. 08/158,930
Top flow bubble trap apparatus
Inventor:
James M. Brugger
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Nov 29, 1993
Inventor
James M. Brugger
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.