Machinery Trademarks Filed in November 18, 1925
SUPERVAC

SUPERVAC

Filed: November 18, 1925
VACUUM PUMPS
Owned by: CENTRAL SCIENTIFIC COMPANY
Serial Number: 71223461

OTIS

OTIS

Filed: November 18, 1925
ESCALATORS [ , ENDLESS CARRIERS, INCLINED RAILWAYS, BLAST-FURNACE HOISTS, AMMUNITION HOISTS, AND GRAVITY SPIRAL CONVEYERS…
Owned by: OTIS ELEVATOR COMPANY
Serial Number: 71223483