Category:Sam Martin Jelfs of Valkenswaard (NL)
Sam Martin Jelfs
Sam Martin Jelfs from Valkenswaard (NL) has applied for patents in technology areas such as H04S7/00 with KONINKLIJKE PHILIPS N.V..
Patents
Pages in category "Sam Martin Jelfs of Valkenswaard (NL)"
The following 2 pages are in this category, out of 2 total.