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Crown Risdon USA Inc

Crown Risd
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US5636989A Dental implant Expired / Lapsed 1995-01-23 1997-06-10 21 Details
US4361418A High vacuum processing system having improved recycle draw-… Expired / Lapsed 1980-05-06 1982-11-30 12 Details