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Richard Wilkinson
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Broken Arrow, OK, US
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Patents Grants
last 30 patents
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Patent Grant
Shopping cart having caster lift
Patent number
6,923,456
Issue date
Aug 2, 2005
Unarco Industries, Inc.
Mark T. Ryan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
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Patent Application
Shopping cart having caster lift
Publication number
20040084863
Publication date
May 6, 2004
Unarco Industries, Inc.
Mark T. Ryan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Shopping cart having caster lift
Publication number
20040046341
Publication date
Mar 11, 2004
Unarco Industries, Inc.
Richard Wilkinson
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS