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David Owen Mattson
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Chassell, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Vehicle track assembly having track rotation indicator pole
Patent number
10,137,948
Issue date
Nov 27, 2018
David Owen Mattson
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Patent Grant
Vehicle track assembly
Patent number
9,676,430
Issue date
Jun 13, 2017
David Owen Mattson
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
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Patent Application
VEHICLE TRACK ASSEMBLY HAVING TRACK ROTATION INDICATOR POLE
Publication number
20170217515
Publication date
Aug 3, 2017
David Owen Mattson
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
VEHICLE TRACK ASSEMBLY
Publication number
20160075384
Publication date
Mar 17, 2016
David Owen Mattson
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS