Granted Patent
Utility
US 4,708,132 · App. 06/821,948
Fixation device for a ligament or tendon prosthesis
Inventor:
Thomas A. Silvestrini
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Jan 24, 1986
Inventor
Thomas A. Silvestrini
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.