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MATERIALS AND CONFIGURATIONS OF A FIELD EMISSION DEVICE

13/587,762 | U.S. Patent Application

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Location ELECTRONIC
Filed Aug. 16, 2012
Examiner CALVIN LEE
Class 257
Art Group 2896
Patent No. 8,692,226
Case Type Utility - 257/010000
Status Patented Case
Parent 13/374,545 Patented
Parent 61/631,270 Expired
Parent 13/171,973 Patented
Parent 61/359,467 Expired
Parent 61/363,179 Expired
Parent 61/376,707 Expired
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Last Updated: 4 years, 11 months ago
Date # Transaction