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Patents Grants
last 30 patents
Information
Patent Grant
Central vacuum cleaning system
Patent number
6,516,492
Issue date
Feb 11, 2003
Nam & Nam
Heung-Mook Kang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Automatic door panel producing apparatus
Patent number
6,467,143
Issue date
Oct 22, 2002
Nam & Nam
Hong-Guil Kim
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR