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HEAT-DISSIPATING METHOD AND DEVICE FOR LED DISPLAY

07/846,614 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed March 5, 1992
Examiner GREGORY D THOMPSON
Class 361
Art Group 2103
Patent No. 5,173,839
Case Type Utility - 361/387000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 07/625,243 Abandoned
Last Updated: 5 years ago
Date # Transaction