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DUCT CLEANING DEVICE

09/419,078 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Oct. 15, 1999
Examiner CHRISTOPHER K MOORE
Class 015
Art Group 1744
Patent No. 6,269,519
Case Type Utility - 015/387000
Status Patented Case
Last Updated: 4 years, 8 months ago
Date # Transaction