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Chang; Charles
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Palisades Park, NJ, US
Business Address
617-613-6000
Mailing Address
C/O FORRESTER RESEARCH 400 TECHNOLOGY SQUARE CAMBRIDGE MA 02139
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Patents Grants
last 30 patents
Information
Patent Grant
Cosmetic jar and applicator
Patent number
6,138,687
Issue date
Oct 31, 2000
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Adjustable cosmetic applicator
Patent number
6,132,126
Issue date
Oct 17, 2000
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Cosmetic jar with transparent cover and hidden threads
Patent number
6,029,842
Issue date
Feb 29, 2000
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Method of making lipstick samplers
Patent number
6,015,513
Issue date
Jan 18, 2000
Chang; Charles
Robert J. Sheffler
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Cosmetic stick dispenser
Patent number
5,988,917
Issue date
Nov 23, 1999
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Cosmetic pot with internal hinged tray
Patent number
5,884,636
Issue date
Mar 23, 1999
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Mascara container and dispenser
Patent number
5,884,634
Issue date
Mar 23, 1999
Chang; Charles
Robert J. Sheffler
A46 - BRUSHWARE
Information
Patent Grant
Mascara container and applicator
Patent number
5,875,791
Issue date
Mar 2, 1999
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Sealing container which includes a two-part cap for displaying a co...
Patent number
5,791,506
Issue date
Aug 11, 1998
Chang; Charles
Robert J. Sheffler
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of making lipstick samplers
Patent number
5,785,905
Issue date
Jul 28, 1998
Chang; Charles
Robert J. Sheffler
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Sampler device for mascara and other cosmetic substances
Patent number
5,765,574
Issue date
Jun 16, 1998
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Cosmetic jar and storage device
Patent number
5,709,232
Issue date
Jan 20, 1998
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Cosmetic jar and storage device
Patent number
5,669,400
Issue date
Sep 23, 1997
Chang; Charles
Robert J. Sheffler
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Adjustable air freshener
Patent number
5,220,636
Issue date
Jun 15, 1993
Chang; Charles
Charles Chang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Vertical take off and landing aircraft
Patent number
4,049,218
Issue date
Sep 20, 1977
Wang; Yung-Heng
Lian-Tong Wen
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
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last 30 trademarks