Granted Patent
Utility
US 4,815,325 · App. 07/184,763
Capillary fluid injectors
Inventor:
Julius P. Averette
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Apr 22, 1988
Inventor
Julius P. Averette
Assignee (at issue)
Dynatech Precision Sampling Corporation
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.