Granted Patent
Utility
US 4,648,869 · App. 06/804,675
Automatic infiltration detection system and method
Inventor:
Donald E. Bobo, Jr.
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Dec 4, 1985
Inventor
Donald E. Bobo, Jr.
Assignee (at issue)
American Hospital Supply Corp.
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.