Granted Patent
Utility
US 4,544,371 · App. 06/433,053
Implantable metered dose drug delivery system
Inventors:
Ray H. Dormandy, Jr., Frederick L. Coe
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Oct 5, 1982
Inventors
Ray H. Dormandy, Jr.
Frederick L. Coe
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.