Granted Patent
Utility
US 4,313,539 · App. 06/159,663
Additive cap and package therefor
Inventor:
Kenneth C. Raines
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Jun 16, 1980
Inventor
Kenneth C. Raines
Assignee (at issue)
Burron Medical, 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.