Machinery Trademarks Filed in April 30, 1980
VAROVAC
Filed: April 30, 1980
Oil-Sealed Single-Stage Rotary Vane Vacuum Pumps for Industrial Use
Owned by: Leybold-Heraeus Gesellschaft mit beschrankter Haftung
Serial Number: 73260348
DREDGE MASTERS INTERNATIONAL
Filed: April 30, 1980
Portable Hydraulic Cutter-Suction Dredges and Parts Therefor
Owned by: DredgeMasters International, Inc.
Serial Number: 73260349
IBM
Filed: April 30, 1980
Toner and Developer for Copying Machines and Printers
Owned by: International Business Machines Corporation
Serial Number: 73261518
