ALUMA-LAPS
Filed: April 29, 1976
SEMI-FINISHED METALLIC LAPS FOR USE IN GRINDING OPTICAL LENSES
Owned by: PRACTICAL SYSTEMS, INC.
Serial Number: 73085431
PAD-A-LAP
Filed: April 29, 1976
POWER-OPERATED LENS FORMING TOOL
Owned by: PRACTICAL SYSTEMS, INC.
Serial Number: 73085432
BEEPER
Filed: April 29, 1976
AXIS ALIGNMENT GAUGE FOR LENS FORMING MACHINE
Owned by: PRACTICAL SYSTEMS, INC.
Serial Number: 73085433
COOL-IT
Filed: May 24, 1976
WATER SOLUBLE COOLANT CONCENTRATE USED FOR THE PRODUCTION OF OPTICAL LENSES
Owned by: PRACTICAL SYSTEMS, INC.
Serial Number: 73088174
PSI
Filed: September 24, 1980
Polishing Pads, Abrasives, Polishing and Grinding Pastes, and Cleaners, All for Use in Shaping Lenses for the Ophthalmic…
Owned by: PRACTICAL SYSTEMS, INC.
Serial Number: 73279168
2001
Filed: March 20, 1991
laps for securing finishing and polishing pads in lens surfacing machines
Owned by: PRACTICAL SYSTEMS, INC.
Serial Number: 74149656
FFP
Filed: July 14, 1995
abrasive pads for fining and polishing optical lenses
Owned by: PRACTICAL SYSTEMS, INC.
Serial Number: 74701344
