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WORMALD U.S., INC.
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DALLAS, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Compositions and method for control and clean-up of hazardous acidi...
Patent number
4,865,761
Issue date
Sep 12, 1989
Wormald, U.S. Inc.
Frederick S. Mandel
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Novel compositions and method for control and clean-up of hazardous...
Patent number
4,770,715
Issue date
Sep 13, 1988
Wormald, U.S., Inc.
Frederick S. Mandel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Pressure equalizing valve
Patent number
4,722,358
Issue date
Feb 2, 1988
Wormald U.S., Inc.
Bruce C. Christensen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73656571 - TALKTHRU
Serial number
73656571
Registration number
1494889
Filing date
Apr 21, 1987
WORMALD U.S., INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments