Granted Patent
Utility
US 5,558,136 · App. 08/189,328
Bone cement cartridge with secondary piston
Inventor:
Michael Raymond Orrico
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jan 31, 1994
Inventor
Michael Raymond Orrico
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.