SIGMA KOKI CO., LTD. Trademarks
OPTOSIGMA
Filed: November 30, 2018
Laboratory apparatus and instruments, namely, precision instruments for positioning of objects comprised of optical lenses…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 79263466
OXY-THERMO METER
Filed: May 30, 2023
Optical machines and apparatus, namely, optical glasses, optical lenses, optical mirrors, prisms, optical filters; holders…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 98019353
