Granted Patent
Utility
US 5,250,302 · App. 07/827,052
Osteogenic devices
Inventors:
Hermann Oppermann, Engin Ozkaynak, David C. Rueger, Thangavel Kuberasampath
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Jan 28, 1992
Inventors
Hermann Oppermann
Engin Ozkaynak
David C. Rueger
Thangavel Kuberasampath
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.