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WATTHOUR METER AND OPTICAL PICKUP TEST DEVICE AND METHOD

10/223,337 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Aug. 19, 2002
Examiner MINH NHUT TANG
Class 324
Art Group 2829
Patent No. 6,686,731
Case Type Utility - 324/142000
Status Patented Case
Parent 60/314,402 Expired
Child PCT/US02/26676 Published
Last Updated: 4 years, 5 months ago
Date # Transaction