AZTECH ENGINEERING INC. Trademarks
TECH LOCK
Filed: January 28, 1985
LOCK NUTS
Owned by: AZTECH ENGINEERING INC.
Serial Number: 73519449
A
Filed: January 30, 1992
metal industrial fasteners
Owned by: AZTECH ENGINEERING INC.
Serial Number: 74241616
TECH-LOCK
Filed: March 11, 1994
lock nuts
Owned by: AZTECH ENGINEERING INC.
Serial Number: 74503984
TECH LOCK
METAL LOCKNUTS
Owned by: AZTECH ENGINEERING INC.
Serial Number: 76474769
POWERLOCK
Metal locknuts that resist loosening under vibration and torque for use on threaded bolts and studs
Owned by: AZTECH ENGINEERING INC.
Serial Number: 85198131
