TRANQUIL PROSPECTS LTD.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6679913 Implantable sheet materialExpiredApr 13, 99Jan 20, 04[A61F]
5222985 Implantation of articulating joint prosthesisExpiredNov 17, 88Jun 29, 93[A61F]
5176712 Endoprostheses with resorption preventing meansExpiredApr 12, 88Jan 05, 93[A61F]
4919665 Implantation of articulating joint prosthesisExpiredJan 23, 89Apr 24, 90[A61F]
4851004 Implantation of articulating joint prosthesisExpiredDec 31, 85Jul 25, 89[A61F]
4778474 Acetabular prosthesisExpiredJul 22, 85Oct 18, 88[A61F]
4636214 Implantation of articulating joint prosthesisExpiredOct 17, 85Jan 13, 87[A61F]
4576608 Porous body-implantable polytetrafluoroethyleneExpiredNov 08, 83Mar 18, 86[A61F]
D280020 Hip joint prosthesisExpiredApr 19, 82Aug 06, 85[]
4455690 Structure for in vivo implanationExpiredNov 06, 80Jun 26, 84[A61F]
4243021 Solar heat conversion panel and method of assemblyExpiredJan 09, 78Jan 06, 81[F24J]
4209480 Implantable material and method of preparing sameExpiredJul 26, 78Jun 24, 80[B29D]

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