Granted Patent
Utility
US 4,966,581 · App. 07/229,566
Non reusable disposable capsule containing an individual vaccine dose to be hypodermically injected with a pressure needleless injection apparatus
Inventor:
Sergio Landau
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Aug 5, 1988
Inventor
Sergio Landau
Assignee (at issue)
Vitajet Industria E. Commercio Ltda
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.