DGR Trademarks
CENTIFOCAL
Filed: February 26, 1991
multifocal optic intraocular lenses with or without luminous polymethyl methacrylate haptics
Owned by: DGR
Serial Number: 74142402
GRAD SERIES
Filed: February 26, 1991
posterior chamber intraocular lenses in diameters varying with diopter
Owned by: DGR
Serial Number: 74142403
