Granted Patent
Utility
US 4,358,057 · App. 06/153,771
Fluid dispenser method and apparatus
Inventor:
James E. Burke
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: May 27, 1980
Inventor
James E. Burke
Assignee (at issue)
Ethyl Products Company
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.