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ELECTRON BEAM RESIST

09/868,274 | U.S. Patent Application

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Filed Aug. 3, 2001
Examiner WALKE, AMANDA C
Class 430
Art Group 1752
Patent No. 6,503,688
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 1 month ago
Date # Transaction