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William Otsen
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Glendora, CA, US
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last 30 patents
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Patent Grant
Method of manufacturing superelastic endodontic files and files mad...
Patent number
6,315,558
Issue date
Nov 13, 2001
Ormco Corporation
Farrokh Farzin-Nia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Superelastic endodontic instrument, method of manufacture, and appa...
Patent number
6,149,501
Issue date
Nov 21, 2000
Kerr Corporation
Farrokh Farzin-Nia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of manufacturing superelastic endodontic files and files mad...
Patent number
5,984,679
Issue date
Nov 16, 1999
Ormco Corporation
Farrokh Farzin-Nia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Orthodontic appliances having improved bonding characteristics and...
Patent number
5,480,301
Issue date
Jan 2, 1996
Ormco Corporation
Farrokh Farzin-Nia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE