Sigma Corporation Trademarks
OMNI*SLEEVE
Filed: April 10, 1989
PIPE WALL SLEEVE
Owned by: Sigma Corporation
Serial Number: 73792678
SIGMA
Filed: June 28, 1993
cameras and flash lighting units
Owned by: Sigma Corporation
Serial Number: 74406641
ONE LOK
pipe restraints
Owned by: Sigma Corporation
Serial Number: 77239449
FOVEON
Filed: July 27, 2021
Photographic Image Sensors
Owned by: Sigma Corporation
Serial Number: 90851515
X3
Filed: August 19, 2021
Photographic Image Sensors
Owned by: Sigma Corporation
Serial Number: 90891799
PV-LOK
Filed: November 22, 2024
Metal harness restraints for PVC pipes and ductile iron pipes to effectively engage pipe walls to provide positive joint…
Owned by: Sigma Corporation
Serial Number: 98868353
