Granted Patent
Utility
US 6,022,329 · App. 09/009,657
Irrigation handpiece with built in pulsing pump
Inventors:
Jeffery D. Arnett, Nicholas Gately, David H. Grulke, Ruth A. Hilsbos, James L. Sertic
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Jan 20, 1998
Inventors
Jeffery D. Arnett
Nicholas Gately
David H. Grulke
Ruth A. Hilsbos
James L. Sertic
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.