Granted Patent
Utility
US 5,011,497 · App. 07/473,992
Joint prosthesis
Inventors:
Jan-Ove Persson, Per-Ingvar Branemark
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: May 2, 1990
Inventors
Jan-Ove Persson
Per-Ingvar Branemark
Assignees (at issue)
Atos Medical AB
Institutet for Tillampad Bioteknologi
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.