PERCEPTUAL DEVELOPMENT CORPORATION Trademarks
IRLEN
Filed: June 8, 1988
DIAGNOSTIC AND TREATMENT SERVICES FOR SCOTOPIC SENSITIVITY SYNDROME
Owned by: PERCEPTUAL DEVELOPMENT CORPORATION
Serial Number: 73733182
IRLEN
Educational remediation and training services, namely conducting educational testing and training, classes, seminars, conferences…
Owned by: PERCEPTUAL DEVELOPMENT CORPORATION
Serial Number: 76071105
IRLEN FILTERS
Optical filters and lenses
Owned by: PERCEPTUAL DEVELOPMENT CORPORATION
Serial Number: 76406079
IRLEN SCREENER
VISUAL-PERCEPTUAL TESTING AND DIAGNOSTIC SERVICES
Owned by: PERCEPTUAL DEVELOPMENT CORPORATION
Serial Number: 76406108
