Electrical and scientific apparatus Trademarks Filed in February 1, 1945
DURPLATE
Filed: February 1, 1945
PLUG GAGES, THREAD GAGES, RING GAGES, SNAP GAGES, PROFILE GAGES, FLUSH PIN GAGES, AND BUILT-UP GAGES
Owned by: N.A. WOODWORTH COMPANY
Serial Number: 71479321
