Electrical and scientific apparatus Trademarks Filed in December 14, 1926
CALOBAR
Filed: December 14, 1926
OPHTHALMIC LENSES [ , PROJECTION LENSES, HEAT-RETARDING LENSES, ] AND BLANKS FOR OPHTHALMIC LENSES [ , PROJECTION LENSES…
Owned by: American Optical Corporation
Serial Number: 71241461
