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| US4054954 | 24 May 1976 | 25 Oct 1977 | Tokyo Gihatsu Seikei Company Limited | Method of providing hair at the scalp |
| US4103365 | 6 Jul 1976 | 1 Aug 1978 | | Method of implanting synthetic hair |
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| US5665111 | 22 Jan 1996 | 9 Sep 1997 | RayMedica, Inc. | Method for anchoring a surgical suture to bone |
| US6746458 | 7 Sep 2000 | 8 Jun 2004 | | Mesh material to repair hernias |
