Vppa Trademarks

VPPA
VARIABLE POLORITY PLASMA ARC WELDING SYSTEMS
Abandoned  ·  June 20, 1988  ·  73735584  · 
VPPART
Mechanic's stethoscopes; Non-medical stethoscopes for detecting mechanical noises in automotive engines and machinery.
Pending  ·  December 9, 2025  ·  99539023  · 
vppart