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ION SAMPLING FOR APPI MASS SPECTROMETRY

11/290,187 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 30, 2005
Examiner KIET TUAN NGUYEN
Class 250
Art Group 2881
Patent No. 7,309,859
Case Type Utility - 250/288000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/863,967 Patented
Parent 10/640,151 Patented
Parent 10/155,364 Patented
Parent 09/910,222 Patented
Parent 09/204,213 Patented
Parent 09/30,676 Patented
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Last Updated: 4 years, 1 month ago
Date # Transaction