Granted Patent
Utility
US 4,493,705 · App. 06/406,962
Blood reservoir
Inventors:
Lucas S. Gordon, Jeanne S. Pierson
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Aug 10, 1982
Inventors
Lucas S. Gordon
Jeanne S. Pierson
Assignee (at issue)
Bentley 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.