IP Library › Granted Patent US 4,932,969
Granted Patent Utility
US 4,932,969 · App. 07/134,208

Joint endoprosthesis

Inventors: Otto Frey, Rudolf Koch, Heinrich Planck
Patented Case View Patent ↗
Granted: Jun 12, 1990 Filed: Dec 17, 1987
Inventors
Otto Frey
Rudolf Koch
Heinrich Planck
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,932,969
App. No.
07/134,208
Filed
1987-12-17
Granted
1990-06-12
Kind
A