Technology A. Register
brand, KONEX (Mar. 1988) B. How to
manufacture Tapering with synthetic fiber
(Invention patent) (Applied on Apr. 06, 1994 /
Registered in Sept. 1998) C.
How to manufacture Tapering with synthetic fiber for
paintbrush (Applied in Nov. 1995 / Registered in Feb.
1998) D. How to manufacture Tapered Mono
filament for toothbrush (Applied in Dec. 1995 /
Registered in Sept. 1999) E.
How to manufacture Tapered Mono filament for paintbrush
(Applied in Dec. 1995 / Registered in Sept. 1999)
