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WATER REPELLENT SURFACE TREATMENT WITH ACID ACTIVATION

08/985,554 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Dec. 5, 1997
Examiner MELVYN MARQUIS, I
Class 427
Art Group 1712
Patent No. 5,980,990
Case Type Utility - 427/309000
Status Patented Case
Parent 08/461,464 Abandoned
Parent 08/363,803 Patented
Parent 08/220,353 Abandoned
Parent 07/589,235 Patented
Parent 07/503,587 Patented
Parent 08/660,352 Patented
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Last Updated: 3 years, 11 months ago
Date # Transaction