Granted Patent
Utility
US 5,595,907 · App. 08/525,900
Reusable vented flask cap cover
Inventors:
John J. Kayal, Susan L. Barker, John M. Janson
Patented Case
View Patent ↗
Granted: Jan 21, 1997
Filed: Sep 8, 1995
Inventors
John J. Kayal
Susan L. Barker
John M. Janson
Assignee (at issue)
BECTON, DICKINSON AND 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.