04874389 is referenced by 160 patents and cites 6 patents.

A replacement disc for use between adjacent vertebrae comprising:

Title
Replacement disc
Application Number
7/129302
Publication Number
4874389
Application Date
December 7, 1987
Publication Date
October 17, 1989
Inventor
Ernest L Downey
10559 S. Ave. G., Chicago, 60617
IL, US
Agent
Frank J Uxa Jr
IPC
A61F 2/44
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