4. Prosthesis (i.e., artificial body members), parts thereof, or ai
  5. Heart valve
  6. Having rigid or semirigid pivoting occluder

Dong Keun Han

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Biodegradable porous polymer scaffolds for tissue...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Reexamination Certificate

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Bioprosthetic heart valves having high calcification resistance

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent

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Dental self-curing resin cement compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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Highly functional dental adhesive composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate

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Method of preparing biodegradable dual pore polymer...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Reexamination Certificate

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