Electrical and scientific apparatus Trademarks Filed in April 20, 1929
STATISCOPE
Filed: April 20, 1929
ALTERNATING-CURRENT FLOW-INDICATING DEVICES
Owned by: MINERALLAC ELECTRIC COMPANY
Serial Number: 71282742
TANGAL
Filed: April 20, 1929
OPTHALMIC LENSES, EYEGLASSES, MAGNIFYING GLASSES, READING GLASSES, SPECTACLES, SPECTACLE GLASSES, SPECTACLE-LENS SYSTEMS
Owned by: CARL ZEISS
Serial Number: 71282766
