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APPARATUS FOR PREVENTING UNAUTHORIZED USE OF MACHINERY

08/239,558 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed May 9, 1994
Examiner PETER GANJIAN
Class 307
Art Group 2107
Patent No. 5,621,252
Case Type Utility - 307/010200
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 5 years ago
Date # Transaction