Chungcheongnam-do
South Korea
1
2026-01-15
Cheulwon Choi from Chungcheongnam-do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
DOUBLE-SIDE GRINDING APPARATUS AND METHODS HAVING A WHEELBASE WITH POROUS ABRASIVE MEMBERS
7679682 ⎘