IP Library › Granted Patent US 5,263,985
Granted Patent Utility
US 5,263,985 · App. 07/979,346

Bone growth stimulator

Inventors: Qi-Bin Bao, John H. Dumbleton, Paul Higham
Patented Case View Patent ↗
Granted: Nov 23, 1993 Filed: Nov 20, 1992
Inventors
Qi-Bin Bao
John H. Dumbleton
Paul Higham
Assignee (at issue)
Pfizer Hospital Products Group, Inc.

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 5,263,985
App. No.
07/979,346
Filed
1992-11-20
Granted
1993-11-23
Kind
A