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Richard J. Gabriel
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Beaverton, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Connectors for joining construction toy joint element and brick
Patent number
5,599,221
Issue date
Feb 4, 1997
Matrix Toys, Ltd.
Richard J. Gabriel
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Joint element and strut assembly
Patent number
D260790
Issue date
Sep 15, 1981
Matrix Toys, Inc.
Richard J. Gabriel
D21 - Games, toys, and sports goods
Information
Patent Grant
Removable tire for construction set joint element
Patent number
4,275,524
Issue date
Jun 30, 1981
Matrix Toys, Inc.
Richard J. Gabriel
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Joint element for construction set
Patent number
D257365
Issue date
Oct 14, 1980
Matrix Toys
Richard J. Gabriel
D21 - Games, toys, and sports goods
Information
Patent Grant
Joint element for construction set
Patent number
D257366
Issue date
Oct 14, 1980
Matrix Toys
Richard J. Gabriel
D21 - Games, toys, and sports goods
Information
Patent Grant
Joint element for construction set
Patent number
D257271
Issue date
Oct 7, 1980
Matrix Toys, Inc.
Richard J. Gabriel
D21 - Games, toys, and sports goods
Information
Patent Grant
Joint element for construction set
Patent number
D257270
Issue date
Oct 7, 1980
Matrix Toys, Inc.
Richard J. Gabriel
D21 - Games, toys, and sports goods
Information
Patent Grant
Joint element for construction set
Patent number
D255472
Issue date
Jun 17, 1980
Matrix Toys, Inc.
Richard J. Gabriel
D21 - Games, toys, and sports goods
Information
Patent Grant
Strut for construction set
Patent number
D254752
Issue date
Apr 15, 1980
Matrix Toys, Inc.
Richard J. Gabriel
D25 - Building units and construction elements
Information
Patent Grant
Close coupling strut for construction set having clip fasteners
Patent number
4,159,592
Issue date
Jul 3, 1979
Matrix Toys, Inc.
Richard J. Gabriel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Construction set having clip fasteners
Patent number
4,129,975
Issue date
Dec 19, 1978
Matrix Toys, Inc.
Richard J. Gabriel
E04 - BUILDING