U.S. MANUFACTURING CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0087,216 Prosthetic walking systemAbandonedFeb 25, 02Jul 04, 02[A61F]
4628916 Braces for preventing injuries to the knee jointExpiredJun 13, 85Dec 16, 86[A61F]
4587962 Tibia/ankle orthosisExpiredFeb 08, 84May 13, 86[A61F]
4582051 Cervical collar with circumferential and vertical height adjustability and stabilityExpiredFeb 08, 84Apr 15, 86[A61F]
4556053 Knee orthosis with leg stabilizing meansExpiredFeb 08, 84Dec 03, 85[A61F]
4517968 Composite orthosis for ankle sprains and the likeExpiredApr 13, 83May 21, 85[A61F]
4459709 Artificial limb prosthesisExpiredNov 16, 81Jul 17, 84[A61F]
D272468 Prosthetic valve keyExpiredJun 15, 81Jan 31, 84[D249]
4372298 Knee braceExpiredJul 20, 81Feb 08, 83[A61F]

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