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ECW CORPORATION
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GREAT FALLS, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pipe joint
Patent number
4,746,147
Issue date
May 24, 1988
ECW, Inc.
Grant W. Walker
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74566085
Serial number
74566085
Registration number
1927726
Filing date
Aug 26, 1994
ECW CORPORATION
41 - Education
Information
Trademark
74464499 - COMPUTER EXPLORERS
Serial number
74464499
Registration number
1858963
Filing date
Dec 1, 1993
ECW CORPORATION
41 - Education
Information
Trademark
74253847 - CT
Serial number
74253847
Registration number
1757297
Filing date
Mar 9, 1992
ECW CORPORATION
41 - Education
Information
Trademark
74253846 - COMPUTERTOTS COMPUTER FUN...FOR LITTLE ONES
Serial number
74253846
Registration number
1729988
Filing date
Mar 9, 1992
ECW CORPORATION
41 - Education
Information
Trademark
73745018 - COMPUTERTOTS
Serial number
73745018
Registration number
1531353
Filing date
Aug 9, 1988
ECW CORPORATION
41 - Education