Qu, Wenjun Trademarks
SPECTRUM OPTICAL INSTRUMENTS
Filed: May 13, 2022
Telescopes
Owned by: Qu, Wenjun
Serial Number: 97410348
Image Trademark
Filed: May 29, 2024
Binoculars; Microscope condensers; Microscope illuminating devices; Microscope objectives; Microscopes; Microscopes and…
Owned by: Qu, Wenjun
Serial Number: 98573027
SPECTRUM OPTICS
Filed: August 3, 2024
Microscope condensers; Microscope illuminating devices; Microscope objectives; Microscopes; Telescopes; Acoustic microscopes…
Owned by: Qu, Wenjun
Serial Number: 98681061
