Granted Patent
Utility
US 5,147,402 · App. 07/784,896
Implant for ingrowth of osseous tissue
Inventors:
Nikolaus Bohler, Rudolf Koch
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Oct 30, 1991
Inventors
Nikolaus Bohler
Rudolf Koch
Assignee (at issue)
Sulzer Brothers Limited
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.