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Vittorio De Zen
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Woodbridge, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Insulated wall and components therefor
Patent number
6,212,845
Issue date
Apr 10, 2001
Royal Building Systems (CDW) Limited
Vittorio De Zen
E04 - BUILDING
Information
Patent Grant
Thermoplastic wall forming member with wiring channel
Patent number
6,189,269
Issue date
Feb 20, 2001
Royal Building Systems (CDN) Limited
Vittorio De Zen
E04 - BUILDING
Information
Patent Grant
Housing system with structural cored hollow components
Patent number
5,974,751
Issue date
Nov 2, 1999
Vittorio De Zen
E04 - BUILDING
Information
Patent Grant
Fire rated modular building system
Patent number
5,953,880
Issue date
Sep 21, 1999
Royal Building Systems (CDN) Limited
Vittorio De Zen
E04 - BUILDING
Information
Patent Grant
Thermoplastic structural components and structures formed therefrom
Patent number
5,729,944
Issue date
Mar 24, 1998
Royal Building Systems (CDN) Limited
Vittorio De Zen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Thermoplastic structural system and components therefor and method...
Patent number
5,706,620
Issue date
Jan 13, 1998
Royal Building Systems (CDN) Limited
Vittorio De Zen
E04 - BUILDING
Information
Patent Grant
Molded cladding for building structures
Patent number
5,636,481
Issue date
Jun 10, 1997
Royal Building Systems (CDN) Limited
Vittorio De Zen
E04 - BUILDING
Information
Patent Grant
Paint roller
Patent number
4,467,509
Issue date
Aug 28, 1984
Vittorio Dezen
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Vacuum sizing device
Patent number
4,401,424
Issue date
Aug 30, 1983
Vittorio De Zen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL