Electrical and scientific apparatus Trademarks Filed in March 7, 1941
FILTERWELD
Filed: March 7, 1941
Helmets, Hand Shields, Protection Goggles and Parts Therefor, Glass Plates and Lenses for Reducing Glare Insertable in the…
Owned by: American Optical Corporation
Serial Number: 71441297
MICROSIZE
Filed: March 7, 1941
Size Control Device for Determining Radial Operation of the Tool of the Honing Machine
Owned by: Ex-Cell-O Corporation
Serial Number: 71441320
