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METHODS FOR DETERMINING OPTICAL CHARACTERISTICS OF DENTAL OBJECTS USING AN IMAGING ELEMENT AND A SPECTROMETER APPARATUS

09/872,071 | U.S. Patent Application

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Location ELECTRONIC
Filed June 1, 2001
Examiner RALPH A LEWIS
Class 433
Art Group 3772
Patent No. 7,018,204
Case Type Utility - 433/029000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 08/909,664 Patented
Parent 08/582,054 Patented
Last Updated: 4 years, 8 months ago
Date # Transaction