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Astra Tech AB

Astra Tech
Active Patents
0
Total Holdings
12

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US20040006346A1 Implant, arrangement comprising an implant, and method for … Expired / Lapsed 2002-08-14 — 55 Details
GB2156443A Blood pump Expired / Lapsed 1985-03-15 — 20 Details
US6672872B2 Modified dental implant fixture Expired / Lapsed 2002-08-19 2004-01-06 39 Details
US6655961B2 Modified dental implant fixture Expired / Lapsed 2001-12-03 2003-12-02 45 Details
US5195890A Device and method for supporting artificial teeth Expired / Lapsed 1989-11-24 1993-03-23 15 Details
US5009596A Device for fixing a dental prothesis Expired / Lapsed 1990-01-22 1991-04-23 3 Details
US4906237A Method of forming an improved hydrophilic coating on a poly… Expired / Lapsed 1988-08-24 1990-03-06 22 Details
US4772204A Implant for attachment of dental prostheses Expired / Lapsed 1984-11-23 1988-09-20 11 Details
US4666437A Hydrophilic coating Expired / Lapsed 1986-03-05 1987-05-19 11 Details
US4585666A Preparation of hydrophilic coating Expired / Lapsed 1984-06-12 1986-04-29 6 Details
USD282965S Vein stripping instrument and heads, cap and cable therefor Expired / Lapsed 1983-06-21 1986-03-11 1 Details
US4459317A Process for the preparation of a hydrophilic coating Expired / Lapsed 1983-04-21 1984-07-10 9 Details