YOUNGSTOWN WELDING & ENGINEERING COMPANY THE Trademarks
WELDCO
Filed: June 16, 1966
SEWAGE TREATMENT APPARATUS
Owned by: YOUNGSTOWN WELDING & ENGINEERING COMPANY THE
Serial Number: 72248276
WELDCO
Filed: June 30, 1966
HYDROSTATIC PIPE AND TUBE TESTING APPARATUS
Owned by: YOUNGSTOWN WELDING & ENGINEERING COMPANY THE
Serial Number: 72249380
