
US Patent No: D291003
Number of patents in Portfolio can not be more than 2000
Knee prosthesis
Stats
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Jul 21, 1987
Issued date -
Jul 23, 1984
filing date -
06/633,630
serial no -
Expired
status
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Abstract
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,568,348 Knee prosthesis | 69 | 1983 | |
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| 4,224,697 Constrained prosthetic knee | 125 | 1978 | |
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| 4,262,368 Rotating and hinged knee prosthesis | 44 | 1979 | |
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| 4,462,120 Total knee prosthesis | 59 | 1982 | |
Patent Citation Ranking
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