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NPD Technologies, Inc.
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Las Vegas, NV, US
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Patents Grants
last 30 patents
Information
Patent Grant
Soft contact lens with thin edge
Patent number
4,153,349
Issue date
May 8, 1979
NPD Technologies, Inc.
Otto Wichterle
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74377215 - PHONE-EASE
Serial number
74377215
Registration number
1816731
Filing date
Apr 9, 1993
NPD TECHNOLOGIES, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments