Granted Patent
Utility
US 5,780,294 · App. 08/820,920
Culture vessel assembly
Inventors:
Timothy A. Stevens, Tadeusz A. Tyndorf, Susan L. Barker
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Mar 19, 1997
Inventors
Timothy A. Stevens
Tadeusz A. Tyndorf
Susan L. Barker
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.