Granted Patent
Utility
US 6,213,970 · App. 08/769,428
Surgical suction irrigation
Inventors:
Charles L. Nelson, Heber Saravia, John Nguyen, William P. Pennybacker
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Dec 19, 1996
Inventors
Charles L. Nelson
Heber Saravia
John Nguyen
William P. Pennybacker
Assignee (at issue)
STRYKER CORPORATION
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.