Caledon
Canada
3
2019-03-14
The entities that hold a legal rights for patent applications filed by inventor von Langsdorff Harald:
Harald von Langsdorff from Caledon, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Integrated pavement systems for collecting and recycling de-icing fluid
#2 | 2018-11-15Paving element having drainage channels and pavement system incorporating same
#3 | 2013-05-30Pollutant sequestering paving system
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