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Patents Grants
last 30 patents
Information
Patent Grant
Panel construction and connection system
Patent number
6,141,926
Issue date
Nov 7, 2000
Tetrad Marketing/Sales Ltd.
Paul Rossiter
E04 - BUILDING
Information
Patent Grant
Panel construction and connection system
Patent number
5,737,893
Issue date
Apr 14, 1998
Tetrad Marketing/Sales Ltd.
Paul Rossiter
E04 - BUILDING
Information
Patent Grant
Modular office work station
Patent number
D322183
Issue date
Dec 10, 1991
Tetrad Marketing/Sales Ltd.
Thomas J. Martin
D06 - Furnishings
Information
Patent Grant
Modular office work station
Patent number
D312927
Issue date
Dec 18, 1990
Tetrad Marketing/Sales Ltd.
Thomas J. Martin
D06 - Furnishings
Information
Patent Grant
Interlock system for ready to assemble furniture, and furniture inc...
Patent number
4,886,326
Issue date
Dec 12, 1989
Tetrad Marketing/Sales Ltd.
Andrew Kuzyk
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Modular office work station
Patent number
D292051
Issue date
Sep 29, 1987
Tetrad Marketing/Sales Ltd.
Thomas J. Martin
D06 - Furnishings
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Trademark
last 30 trademarks
Information
Trademark
73706319 - ULTRA-FRAME
Serial number
73706319
Registration number
1564547
Filing date
Jan 19, 1988
TETRAD MARKETING/SALES LTD.
20 - Furniture, mirrors, picture frames
Information
Trademark
73541616 - ULTRA-FRAME
Serial number
73541616
Registration number
1418387
Filing date
Jun 6, 1985
TETRAD MARKETING/SALES LTD.
20 - Furniture, mirrors, picture frames
Information
Trademark
73541618 - TETRAD
Serial number
73541618
Registration number
1420818
Filing date
Jun 6, 1985
TETRAD MARKETING/SALES LTD.
8 - Hand tools and implements (hand-operated)