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VARIABLE FIELD EMISSION DEVICE

14/863,098 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 23, 2015
Examiner SRINIVAS SATHIRAJU
Class 315
Art Group 2844
Patent No. 9,824,845
Case Type Utility - 315/167000
Status Patented Case
Parent 13/774,893 Patented
Parent 13/374,545 Patented
Parent 61/631,270 Expired
Child 15/819,569 Abandoned
Last Updated: 4 years, 9 months ago
Date # Transaction