Inventor
DROST ANDREAS
DE5 patents
⚠️ This page may combine multiple inventors who share the name “DROST ANDREAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
F VON LANGSDORFF LICENSING LTD
4 patentsUS7220078B2May 22, 2007
Ground covering elements of artificial stone material
F VON LANGSDORFF LICENSING LTD42 citations91
US6942420B1Sep 13, 2005
Ground covering elements of artificial stone material
F VON LANGSDORFF LICENSING LTD23 citations91
USD498543SNov 16, 2004
Paving element
F VON LANGSDORFF LICENSING LTD44 citations91
USD485370SJan 13, 2004
Paving element
F VON LANGSDORFF LICENSING LTD29 citations91