Granted Patent
Utility
US 5,203,825 · App. 07/711,844
Capillary tube assembly including a vented cap
Inventors:
John L. Haynes, III, Stephen C. Wardlaw, Edward Williamson
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Jun 7, 1991
Inventors
John L. Haynes, III
Stephen C. Wardlaw
Edward Williamson
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.