Electrical and scientific apparatus Trademarks Filed in April 18, 1957
SPINLAB
Filed: April 18, 1957
INSTRUMENTS FOR TESTING AND MEASURING TEXTILE FIBERS
Owned by: SPECIAL INSTRUMENTS LABORATORY, INC.
Serial Number: 72028464
ECONO CHECK SYSTEM
Filed: April 18, 1957
MACHINED-PARTS INSPECTION TOOL FOR MAKING COMPARATIVE MEASUREMENTS OF MACHINE PARTS
Owned by: WM. L. RIGGS COMPANY, INC.
Serial Number: 72033664
