HARRINGTON ARTHRITIS RESEARCH CENTER

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4964868 Knee prosthesisExpiredAug 27, 87Oct 23, 90[A61F]
4895573 Femoral-joint prosthetic deviceExpiredMar 23, 88Jan 23, 90[A61F]
4883488 Tibial component for a knee prosthesisExpiredJun 13, 88Nov 28, 89[A61F]
4872865 Hypertonic solution for arthroscopic surgeryExpiredNov 30, 87Oct 10, 89[A61M]
4758035 Self-gripping reacherExpiredApr 24, 87Jul 19, 88[B25J]
4750905 Beam construction and methodExpiredFeb 19, 86Jun 14, 88[A61F]
4738681 Femoral-joint prosthetic deviceExpiredJul 10, 85Apr 19, 88[A61F]
4714473 Knee prosthesisExpiredJul 25, 85Dec 22, 87[A61F]
4655778 Joint prosthesisExpiredAug 12, 85Apr 07, 87[A61F]
4621629 Compression hip screwExpiredAug 12, 85Nov 11, 86[A61F]

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