Ernest L. Downey

📍 Chicago, IL: #3,073 of 13,327 inventorsTop 25%

🗺 Illinois: #21,447 of 84,256 inventorsTop 30%

Overall (All Time): #1,298,638 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5147404	Vertebra prosthesis	—	1992-09-15
5035716	Replacement disc	—	1991-07-30
4926849	Apparatus for separating vertebrae	—	1990-05-22
4874389	Replacement disc	—	1989-10-17