Inventor
DROST WILLEM CORNELIS
NL3 patents
Patents
3 patentsUS7805883B2Oct 5, 2010
Cover layers to prevent weed growth
TNO8 citations79
US7531245B2May 12, 2009
Method for manufacturing insulating and/or fire-resistant material, and such insulating and/or fire-resistant material and a construction element provided with such insulating and/or fire-resistant material
TNO0 citations44
US7597753B2Oct 6, 2009
Cover layers to prevent weed growth
TNO0 citations38